Most immigrants from Europe during the early twentieth came from the south and east.
Answer:
Military communications have to be coded to keep them secret from the enemy. However the process of coding and decoding are time consuming processes. Furthermore the codes may be broken by the enemy. Nations have devoted considerable effort trying to create unbreakable codes. In World War II both Germany and Japan thought they had such unbreakable codes, but in fact these codes were broken and their most vital information were readily available to their enemies.
Explanation:
<span>The site of a major French military defeat in 1954 in Vietnam; French pulled out of Indo China; other countries from the West had to take a stand on Communism in Vietnam</span>
Answer:More than 5,000 escaped by going over and under the Berlin Wall.
Explanation:People climbed the wall or dug tunnels under the walls to escape
Indus Valley, Ancient Egypt, Yellow River Civ, and Central Europe I think.