Why are primary sources important when studying historical events? А. because they are a direct link to the events in history
B. because we would know very little about major historical events without these sources
C. because primary sources are the only way we can learn about the culture of a civilization
D. because secondary sources are not reliable enough and can't be trusted

A

Explanation:

d. promised it other land

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.