The answer is b hope this help I can’t really explain tho so hope it helps
Answer: A. Several publications in the mid 1800s made the cruelties of slavery public in the north.
The Missouri Compromise of 1820, which allowed Missouri to become a slave state, further increased anti-slave sentiment in the Northern states. The abolitionist movement began as a more organized, radical and immediate attempt to end slavery than earlier movements.
A lot came from human fossils and animals, also from paintings in caves.
mexico exclamo "orales loco como que necesito plata"
entonces USA dijo " dame petroleo"
fueron felices y comieron perdices
FIN :DD