What was the earliest profitable trading route for Oklahoma? A. Native American trails
B. River routes
C. European roads
D. Military roads

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:

the answer is c. baby boomers are the largest generation and have already begun reaching retirement age.

that is the the answer on e20 , brainliest ? ?

your wrong i made a 2.34 out of 4 the answers are 1st qeustion all of them are correct. question 2 the han emperors chose smart, victorious men to work in the government. question 3 during the han dinasty, the teaching in the analects of confucius set the tone for public life. question 4 on a and b are correct.