Rounded the cape of good hope and reached southwest india and portuguese, trading forts were established in india, china and africa.
a.
vasco da gama
c.
amerigo vespucci
b.
columbus
d.
none of the above

a.Vasco Da Gama

Explanation:

Vasco Da Gama was an explorer, born in Portugal in the 1460´s and passed away in 1524, he was the first one that reached India by sea, and thanks to his travels a trading route was established that increased the power and influence that the Portuguese empire had on the oriental cultures, after he rounded Africa, he closed the gap that Portugal had agaisnt other European powers that are closer to Asia, and because of this it was easier for them to trade with the asian cultures.

i believe the correct answer is option b. most eastern european nations joined nato.

though i could be wrong, option d. the eastern european nations were granted complete independence, would be another choice.

hope this ! : )

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.