Why was the fifteenth amendment necessary?

1.) there was no preexisting provision to allow former slaves to become citizens.
2.)the emancipation proclamation only freed slaves in the states that had seceded.
3.)freedmen and women needed government support to begin farming on their own.
4.)many freedmen were denied the right to vote.

Option 4

Explanation:

At that time the freedmen were not allowed to vote so Abraham Lincoln established the 25th Amendment so the freedmen could vote.

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.