What was the effect of the ming emperors disallowed foreign exploration?

Need plz? due in 10 will give brainliest which of the following was the most significant aspect of revel's election to the senate? a. his election showed that the u. s. would quickly move past the civil war. b. his election to uphold the thirteenth and fourteenth amendments which gave freed slaves citizenship and voting rights. c. his election demonstrated the states were united in a union once more. d. his election was the first step in opening doors for other african-american political leaders.

Ineed to have answers for numbers 2-4 reply to this question

Whose on-field leadership is responsible for the success of the united states in the battle of new orleans during the war of 1812?