The Civil Rights Act of 1964 allowed the federal government to fight racial discrimination as it was a US labor law that outlawed discrimination based on race, color, religion, sex, or national origin.
A limitation on the president’s power to appoint ambassadors is that the Senate must approve them.
Explanation:
The appointment of heads of departments, not being within the Constitution, has been controlled since the start of the government to come back below the supply as yet quoted, and to be subject to confirmation by the Senate. During early administrations, approval of President's cabinet appointments by the Senate was considered a basic formality.
Cars became popular in 20th century. I think this is the right answer.
Are there any choices? because it says “which of the following”
It was a oil-exporting nation and it lost too much of an important resource, thus crippling the economy.