All of the following were effects of technological innovations in the early 1800s EXCEPT A. An increase in the amount of cotton bales produced.
B. A decrease in slavery, as the cotton gin eliminated the need for field workers
C. An increase in towns and cities along railroad lines
D. A decrease in crop diversification among Georgia farmers.

c.) biotic: snails; abiotic: temperature climate

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 right answer is d) a conference committee. it is a temporary panel formed by house and senate members in order to reconcile differences in legislation.