First this belongs in math. But heres the answer.
For every bag you need 3.5 gallons of water. You have three bags so multiply by three. You end up with 3(3.5) simplify and you get 10.5
Answer:
The boycott and protest was led by Martin Luther King Jr and this was because of the discrimination of a black lady called Rosa Parks in a bus in Montgomery.She was arrested for not giving up her seat for a white person to use. The blacks decided to boycott the usage of the buses for several months. The boycott was later called off when the Supreme Court pointed out that the segregation was unconstitutional.
Yes, the citizens of Montgomery as well as those of the US Supreme Court was necessary for its success.
In the 1920s and 1930s, the Japanese invaded surrounding territories mainly because they "needed natural resources" to fuel their domestic growth, since Japan is a very small island and lacks many of these necessary resources.