What is the best answer for these two questions?

four sitting presidents have been assassinated while in office but the first was abraham lincoln,

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.

when he becomes king

spread of christianity