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.
George Washington's greatest challenge at Valley Forge was keeping his army together. The morale of his army was dwindling and so it was a challenge for Washington to keep the army together. The correct option among all the options given in the question is the third option or option "C".