Que es el martes negro​

29 de octubre de 1929. En esta fecha, los precios de las acciones en la Bolsa de Valores de Nueva York colapsaron por completo, convirtiéndose en un factor importante en el surgimiento de la Gran Depresión.

Explanation:

- Eijiro

the answer is b just took the test

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.