Which two of the following sentences from the speech include central ideas?
1.When my attention was first directed to this matter an investigation was made by the Bureau of Animal Industry of the Department of Agriculture.
2.The report shows that the stockyards and packing houses are not kept even reasonably clean.
3.Legislation is needed in order to prevent all possible abuses in the future.
4.This amendment will be commonly known as the "Beveridge amendment."