Answer:
Air Brake
Explanation:
patented by George Westinghouse in 1868 using compressed air to brake
1. Geography
2. Society and Culture
3. Technology and Innovation
Both D-Day and the fall of Berlin are major turning points in the European theatre during World War II.
D-Day marked the start of the push to force the German army back. The fall of Berlin marked the end of major fighting.
Answer:
The American Revolution was principally caused by colonial opposition to British attempts to impose greater control over the colonies and to make them repay the crown for its defense of them during the French and Indian War (1754–63).The Revolution opened new markets and new trade relationships. The Americans' victory also opened the western territories for invasion and settlement, which created new domestic markets.
Explanation:
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