Answer:
The induction motor is one of the most important inventions in modern history. It turned the wheels of progress at a new speed and officially kicked off the second industrial revolution by drastically improving energy generation efficiency and making the long-distance distribution of electricity possible.
Explanation:
A problem could've been that the Soviet Union took more than they should've. This could cause tension and lead to a war.
Answer:
He visited the states of Southeast Asia, the coast of India, the Persian Gulf, the Red Sea, and the east coast of Africa. Zheng died in Calicut in the spring of 1433, and the fleet returned to China that summer.
Located in South East Asia and approximately 10,000 miles away from the Continental United States the Vietnam climate and geographical plains made it hard to travel and transport supplies.
Much of Vietnam, especially the mountains is covered by dense jungle (The Embassy of the Socialist Republic of Vietnam in the United Kingdom) Has 2 major rivers used largely for transportation.
Southern Vietnam was bordered by Laos and Cambodia and Was divided by the US military into FOUR sections making communication and back up difficult. also, the United States at the time were not trained widely for jungle battle, and were extremely vulnerable for surprise attacks.