Those who challenge federal campaign expenditure laws say the it violates their right to vote. right to free press. right to freedom of speech. right to a fair election.

right to a fair election.

Explanation:

Federal campaign expenditure laws are created to regulate spending on election campaigns, in addition to requiring candidates and parties to expose all elements and people financially involved in the campaign, as well as exposing spending, amounts and sources from which money has been withdrawn. Notwithstanding these laws, they require that they disclose reports on their campaign spending. Many people think this law is unfair, as the exposure of these data can reveal campaign strategies and impede the right to establish a fair election.

b) the importance and limits of political power.

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation: