Example sentences of "have led [prep] [adj] " in BNC.

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1 The elevation of environmental concerns in the social consciousness has raised the profile of environmental protection and has led to international agreements specifically concerned with the environment , such as the Montreal protocol on the ozone layer .
2 Its use has led to real benefits for the group
3 Nonetheless , it is often the most deprived areas or people who are least able to help themselves , and in many rural areas the decline in rural transport and rural services outlined above has led to real rural deprivation .
4 Meanwhile the popularity of Yardie amongst jail birds has led to certain elements deciding that the book comes a little too close to the truth for their liking , and Victor Headley has disappeared into hiding to work on Yardie 2 , leaving Adebayo and Pope to speak on his behalf .
5 In the private sector a large number of estate agents , landlords , accommodation agencies and building societies have been found to operate discriminatory registers , refusing to let or sell or lend to black individuals and families , while direct and indirect discrimination in many local authority housing departments has led to black tenants being allocated inferior council housing ( Gordon and Newnham , 1986 ) .
6 In some cases it has led to violent confrontations requiring police intervention .
7 A research programme is better than a rival if it is more progressive , the progressive nature of a programme depending on its degree of coherence and the extent to which it has led to successful novel predictions , as discussed in Chapter 7 .
8 A century of saving seed from the best plants has led to continuous improvements .
9 Much of this work on animals was done in Oxford and has led to radical improvements in the transplantation of kidney , liver , bone-marrow and hearts in human patients who would otherwise have died .
10 In BR , commercialism has led to radical organizational change .
11 PANAMA is the latest in a series of rogue regimes , the menacing state of whose internal affairs has led to armed intervention by other countries — and to an unresolved international tangle about the legality of such action .
12 Population pressure on land has led to increasing competition of less sensitive rotations which maximise the production of food crops with beneficial rotations which include nitrogen-fixing crops and forage crops .
13 The economic boom in the south east has led to increasing demands for new types of industrial site , and the growth in high tech and service industries has placed a premium on high quality sites in pleasant surroundings and with good communications .
14 This more frequent application , especially of a compound like malathion which has an unpleasant odour , has led to increasing refusals from householders and a consequent reduction in insecticide coverage .
15 The success of this fairly new treatment has led to increasing numbers of terminally ill patients being referred for consideration of transplantation , many of these being referred as a final option , when intensive support in hospital is required and when secondary end organ damage has often developed .
16 This in turn has led to increasing Government interference in matters relating to both the organisation and professional functions of medical groups .
17 As a result , market intelligence is limited , and has led to contradictory stances being adopted by different companies .
18 Quantal analysis of excitatory synapses in the hippocampus has proved difficult and has led to contradictory conclusions when applied to long-term potentiation .
19 The need to control costs and optimize on resources has led to centralized shared cataloguing , largely made possible through the adoption of standards such as the machine readable catalogue ( MARC ) record and the Anglo-American cataloguing rules .
20 The debate is important and has led to keen observations being made on both sides of the House .
21 In recent years the study of megalithic remains such as Stonehenge in terms of hypothetical astronomical alignments has led to various interesting speculations concerning prehistoric man 's knowledge of the calendar .
22 And this type of stereotypical link has led to various experiments .
23 While in many ways the UK system is a homogeneous one , with centralized application procedures , common though varying admissions requirements , and a national system of student support through grants and now loans , its often decentralized and pragmatic mode of development has led to great variation in detail .
24 Its development has led to great advances in the miniaturisation of electronic components .
25 This has led to embarrassing moments among his pure-white mobile guard force .
26 So I set about a solution which has led to healthy plants which remain where I want them — despite being planted in very high flow undergravel filters .
27 Now although evolutionary research can lead and indeed has led to major breakthroughs , it is so unlikely that it would not be sensible to concentrate on this type of research , for which in any case there are many potential sources of funds .
28 The rush of visitors to the area since the popular romanticism of the " Lakeland poets " has led to major changes in the micro-organisms and the deposition of their remains , due largely to the effects of human effluent .
29 Part of the impetus has come from the intrinsic interest of the mathematics itself , which has led to major advances in such fields as algebra , analysis , number theory , geometry and topology .
30 In our judgment it is this feature of the later history that has led to understandable confusion .
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