The graph shows changes in the number of farms and farm workers in the USA between 1910 and 2000. Overall, there was a huge drop in the number of workers and farms over the period.
The biggest change was in the number of farm workers. In 1910 there were almost 14 million agricultural workers in the US. This number remained fairly stable for twenty years, dropping only to about 13 million in 1930. However, between 1930 and 1975 the number of labourers plunged. It fell from 13 million in 1935 to just over 4 million in 1975, a drop of about 66%. From 1970 to about 1990 the number continued to decrease, but more slowly, and from 1990 numbers appeared to level off at about 3 million.
The number of farms followed a similar decline. Between 1910 and 1940 the number of farms remained stable at about 6.5 million. After 1945, the number started to drop rapidly. It fell from 6 million in 1945 to just under 3 million in 1975, a fall of 50%. In the last twenty years of the century however, the number remained relatively stable at just over 2 million.
In conclusion, the number of farms and workers in America has plummeted over the last 100 years. However, the drop now seems to have stabilized.
Have you ever considered the fact that every year millions of animals undergo pianful death as a result of scientific research while most people think animal testing is necessary, others are upset by what they see as needless suffering. This essay outline some of the arguments for and against animal testing.
First, let's look at the argumests. One very positive point is that many medical treatments and procedures have been developed from such experiments. Since animal share many feature with humans, scientists use animals to test the safety and effectiveness fo newly developed drugs. Moreover, there is a large supply of animals. Some, such as mice and rats, have many babies, and the is on danger of extinction fo these species. Finally, some advovates think that animals are less valuable than people. If there is a mistake, it will not cost a human life.
However, there are also number of arguments against animal testing. perhaps the most important point is that animals may suffering unnecessarily. Critics do not believe that every new drug needs to be tested on animals. Furthermore, some feel animal testing is ineffective; they point out that many drugs still have to be withdrawn from the market despite extensive testing.Last, some campaigners would like to see alternatives used. They feel more humane testing is possible and, too that we could rely more on organ donors.
To conclude, we need to ensure that animals used for experimental puroseses do not suffer much pain. Although some animal testing may be unavoidable at present, treating our fellow creatures mercifully will demonstrate our humanity.