A, the black plague. This is because the mongols would invade and actually use people infected with the plague to throw over walls of towns to infect the people inside.
Answer:
B. Unions are harmful because they encourage violence
Explanation:
The poster shows groups of workers that look as if they are causing destruction and violence. With the figure on the right, it seems they are the ones to put out this violence, so you can say this poster is going against the creation of Unions.
It could mean it is more popular or it has more to offer

TURNER FALLS are found in ARBUKLE MOUNTAINS.
HOPE IT HELPED YOU.