Republic
Unitary state
Semi-presidential system
Military dictatorship
One-party systems are often associated with dictators, whether they are "good" or "bad." Most dictatorships allow only one party, which totally controls the government.
The number of African-American slaves was rapidly increasing and combined with the poor white people they started to outnumber the white rich majority. If they ever decided to unite and to overthrow the institutions of power, they could make their own government where there would be no place for those who were white and rich plantation owners.
They countered this through various laws. For example, they forbid African-Americans from arming themselves even if they were free, or they forbid them from mixing up with local native population. If there would be miscegenation, the child would be a slave and live with African-Americans even though their fathers would be those same white rich people. They got the support of the poor white people because they would amnesty those who would rebel against them.
Answer:
C. The Senate rejected President Ronald Reagan's nomination of Robert Bork to the Supreme Court
Explanation:
Given that Checks and balances is one of the principles of democratic government whereby each branch of government has the power to check the actions of the other. For example, the legislative branch of the government taking a decision that checks the actions of the executive. This is usually done to prevent the arbitrary use of power, thereby balancing the use of power.
Hence, in this case, the statement that best illustrates the system of checks and balances is "The Senate rejected President Ronald Reagan's nomination of Robert Bork to the Supreme Court"
A region is a section of a country or the world with similar characteristics, and doesn't have to have a formal boundary.
Therefore, the Middle East is the best example of a region.