Based on what you have learned about the stock market crash of 1929, which of the following might you spot another stock market crisis?
consumers demonstrate a loss of confidence in the stock market.
stock prices show a small growth over a few days.
many shareholders buy stocks on margin.
the value of the stock market drops twenty percent in a single day.

Consumers demonstrate a loss of confidence in the stock market.

Explanation:

The 1929 stock market crash was characterized by the sudden rush of consumers taking money out of banks and investments.

The value of the stock market drops twenty percent in a single day

Consumers demonstrate a loss of confidence in the stock market

Many shareholders buy stocks on margin

Explanation:

If the the stock market suddenly drops, it's a clear sign that something bad is about to happen. Buying on a margin was one of the things that the Federal Reserve was desperately trying to control because it was causing problems. And also, if the consumers lose confidence on the stock market, there must be a reason behind it.

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.