More land means more agriculture which means more money.
The allies attempted to score a victory against the Ottoman Empire because there was a stalemate in Europe so the Allies decided to focus on defeating the Ottomans to gain access to the Middle East and their oil.
"Surrogate wars" also known as "proxy wars" are wars fought in a third country. The US and the Soviet Union were fighting each other in, for example, Afghanistan and Vietnam.
They preferred proxy wars, because they came without civilian victims of own population and without a distraction of the infrastructure of their own countries. In short, the two powers could compete militarily with each other without suffering the worst effects of the wars - this situation allowed them to try to defeat the other one without much risk to their own population.
The first gold is found by James W. Marshall in California gold rush on january 24th, 1848
Martin Luther King Jr. was a believer of peaceful protest. Every single one of his protestant gatherings were meant to be peaceful. a quote from from one of his speeches shows this:
I have decided to stick with love. Hate is too great a burden to bear.
The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy.
In the end, we will remember not the words of our enemies, but the silence of our friends.
unquote.
This excerpt proves that he was a peaceful protestor.