Why was the great depression was such a worldwide catastrophe?

Match the vocabulary word with its meaning. 1. exploit describes people groups that are native to a region 2. imperialism money put into a bank or company for the purpose of making a profit 3. indigenous policy extending political, economic, or military rule over another 4. investment to selfishly take advantage of a weaker person or nation

What led to the decline of the labor unions?

Which caused the failure of the fort laramie treaty that promised to protect natives americans "as long as the grass shall grow?