Answer:
Artificial intelligence such as Robots
Explanation:
In 18th century, slavery was at peak value since there was high need of labour.
In 20th century, scientists have created robots which has replaced slaves hence slavery decayed.
It would be A. Even our architecture is influenced from them, even the romans liked it.
Answer:
The Americans would ship weapons and other supplies to other allied forces before America joined the war
Explanation:
During the 1800s, thousands of settlers traveled west in search of new land and opportunities. Many families traveled in wagons. They followed overland trails across the continent. These trails were often dangerous and difficult to travel on. For settlers to reach the California coast they had to cross the Rocky Mountain chain.The settlers had to cross the Rocky Mountains to reach Oregon's Pacific Coast.
