He could not identify the cause of continental drift.
The correct answer is A) Buying on margin.
Buying on margin was a common way in which individuals bought stocks during the 1920s. Citizens had the chance to buy a stock by putting 10% down and borrowing the the 90% from a bank. This caused a huge problem, as when the stock market crashed the people who borrowed money from the banks didn’t have the means to pay the bank back for the loan.
Answer:
Separation of powers is a political doctrine originating in the writings of Charles de Secondat, Baron de Montesquieu in The Spirit of the Laws, in which he argued for a constitutional government with three separate branches, each of which would have defined abilities to check the powers of the others. This philosophy heavily influenced the writing of the United States Constitution, according to which the Legislative, Executive, and Judicial branches of the United States government are kept distinct in order to prevent abuse of power. This United States form of separation of powers is associated with a system of checks and balances.
The ratification of the constitution.