D. that all americans should work to overcome prejudice. i hope thats right :/
The concept that completes the fragment is Cross-voting.
Cross-voting is a form of voting in which the elector has the right to vote differently in elections. Cross-voting allows the voter not to favor a single party but can vote for two different parties during an election.
For example, a voter leans for a state government candidate who belongs to the Democratic party, while at the national level he leans for a Republican candidate. He votes for each of them, this is known as a cross vote.
According to the above, the fragment would look like this:
Voting for one party on a state level and the opposite party on a national level is known as Cross - voting.
Learn more about elections in: brainly.com/question/1657299
Woodrow Wilson's early efforts to conduct a strongly anti-imperialist US foreign policy were first undermined when he Sent American Marines to Haiti and the Dominican Republic
Woodrow Wilson's approach to American foreign policy was moralistic and he attempted to conduct an anti-imperialist foreign policy.
I'm not 100 percent sure on this, but I think it basically means "A smart leader makes the law promote others and not himself. He makes the law judge others, but does not add anything unnecessary in order to control others." I hope this helps.
