Answer:
B) the constitutional convention
Explanation:
The correct definition of Horizontal Integration is the acquisition of a business operating at the same level of the value chain in the same industry. This is in contrast to vertical integration, where firms expand into upstream or downstream activities, which are at different stages of production.
Russia (USSR)
I'm pretty sure East or West Germany? Google it.
The majority of American intervention in the foreign affairs occurred during the Cold War (this is your answer). Latin America was a frequent hotspot for activity as well especially towards the latter half of the Cold War with Fidel Castro's rise to power in Cuba.