All of the following were incorporated by the Sui rulers in order to achieve their goals except

A. they decentralized their government.

B. they levied high taxes.

C. they engaged in extensive construction projects.

D. they demanded compulsory labor.

because mexico wanted to choose a centralized location

the correct answer is to reduce tax

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:

i believe the correct answer is b.