Which of the following is not a way that the state department negotiates with foreign nations?
a.
trade agreements
b.
peace treaties
c.
military invasions
d.
military alliances

The correct option is A,trade agreements.

Explanation:

Trade agreements is business negotiations and conclusions reached  with trading partners for mutual benefits of all parties involved, this approach is not being used by  State Department in negotiating with foreign nations.

Peace accord or treaties is a ceasefire agreement reached by the State Department and foreign nations in a bid to promote American Government foreign policies with rest of the world.

Military invasions  and alliances are tools of American government as evident in recent times.

carefully examine the map above. based on your knowledge of colonialism in africa, the area attributed to belgium on this map is most likely the democratic republic of the congo.