Why is it important to address relevant counterclaims in a presentation? O to make the opposing views look negative
O to put opposing views on the defensive
O to reduce trust in the opposing viewpoints
O to strengthen the argument and refute the counterclaim

Offering a counterclaim and giving enough evidence to disprove that counterclaim strengthens the argument by reassuring the reader that the student is well-informed and able to discern multiple perspectives.

so I think the last one

this means that germany had to pay the allied countries. reparations are/is essentially payment for something that they have done wrong, so after ww1, germany was forced to pay reparations so they could replenish the allied countries resources' that they had lost during the war.

4 copper and gold, the california gold rush is why im pretty sure.