It took 10 years to build the panama canal :)
In the 1920s, many rural banks failed because banks had speculated in stocks. This in turn, led to failure of such banks and then soon after the Great Depression followed.
Answer: It could be "Constitutional rights" or "Civil liberties"
Explanation:
According to cornell.edu, "Constitutional rights are the protections and liberties guaranteed to the people by the U.S. Constitution. Many of these rights are outlined in the Bill of Rights, such as the right to free speech and the right to a speedy and public trial."
But for Civil Liberties, cornell.edu says "Civil liberties are rights guaranteed by the Constitution (primarily from the First Amendment). They have been described as natural rights which are inherent to each person. While they are commonly referred to as "rights," civil liberties actually operate as restraints on how the government can treat its citizens."
It's really what applies more to the subject of "The Civil Rights Movement"
Answer: checks and balances
Explanation: it’s “ a system that allows each branch of a government to amend or veto acts of another branch so as to prevent any one branch from exerting too much power”