Please help.. Also have a good night everyone. How did American expeditions contribute to the growth of trade?

A. Explorers laid out maps of the land and kept journals describing the area.

B. Explorers fought wars along the trail so traders could make it to trading posts.

C. Explorers set up trading posts for traders.

D. Explorers escorted traders so they could make it to their destination safely.

hr2520 is the patient's act. there is required the secretary of health to summon a committee to develop a national strategic plan of prevention. this committee has forth provisions that make possible for the govern entities to acquire private health insurance services.

is easier to keep this hr2520 as federal, because that way the secretary of health has centralized power to deal with private insurance companies and the federas government has more ways and power to negotiate with them, than doing this process state by state in their specific terms.

i believe he should not do investment b

hey.

the answer is. b) to protect migrating native american tribes .

and, c) to protect migrating native american tribes .

hope this , if it does, consider marking me brainiest! uwu