Which of the following explains how a civilization both benefits and is harmed by interaction with other groups? A. Interactions could limit a civilization from being self-sufficient but also provide opportunities for travel.

B. Interactions could result in control of resources and military growth but also make trade agreements necessary.

C. Interactions could expand trade and influence leadership decisions but also hurt specialized work.

D. Interactions could expand trade and influence new ideas but also lead to conflict and loss of resources.

D. Interactions could expand trade and influence new ideas but also lead to conflict and loss of resources.

Explanation:

Interactions between civilizations have advantages and disadvantages. It could increase trading and so the civilization would gain new resources and items that will help them. It could also lead to new ideas within the civilization and how to better themselves. But, there are also disadvantages. Interactions with other groups can cause conflict because there could be territorial arguments and fighting because people would want to have as much land and territory as possible, and they don't want intruders. Interactions could also lead to betrayal and fighting.

Hope this helps! :)

the answer is 1.. i think

it allows shippers to carry commercial goods, which allows them to save time and money.