During this time period, many european empires were becoming sea-based. which of the following nations remained a land-based empire?
a. spain
b. china
c. england
d. portgual

B. Of these choice, China is the only one to never use their navy to colonize other nations. The other three did. China still had a navy, just not a very large one.

Explanation:

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.