What was the average yearly salary of an american public school teacher at the turn of the 20th century?

the answer is a) the proclamation of 1763.

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.