Answer:
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Between 1887 and 1933, US government policy aimed to assimilate Indians into mainstream American society. ... Federal policy was enshrined in the General Allotment (Dawes) Act of 1887 which decreed that Indian Reservation land was to be divided into plots and allocated to individual Native Americans.
The jungle terrain and bad weather made it difficult for the American forces fighting in Vietnam. This is because it allowed the Vietcong to successfully use guerrilla warfare strategies and to lay traps. Later, tunnels were found under the jungles which helped them avoid bombs
He discovered Boyle’s Law the first of the gas law relating the pressure of a gas to its volume. He established that electrical forces are transmitted through a vacuum, but sound is not; and he also stated that the movement of particles is responsible for heat. He was the first person to write specific experimental guidance for other scientists, telling them the importance of achieving reliable, repeatable results.
