D as some countries don’t have certain things as other countries have more than they need so they trade the item for another item.
Answer:
Natives people of America had no immunity to diseases that European explorers and colonists brought with them. Diseases such as small pox, influenza, measles, and even Chicken pox proved deadly to the American Indians. Europeans were used to these diseases, Indian people had no resistance to them.
Answer:
When the cue ball hits another ball at an angle, the cue ball will keep some of its original velocity. Both balls will roll. The further off-center that you strike the ball, the more velocity the cue ball will keep.
First one He hoped winning in the north would gain Europe support for the south
