Germany, Italy, and Japan had settled an alliance were they would not get into each other's way when expanding territory. The main reason why the axis powers were able to gain control of a large part of Europe was due to the League of Nations feeding Germany trying to keep peace and stop them without causing a war, sadly failing while in the process.
Well all living organisms require oxygen to survive, and all bodies of water on this planet are usually heavily oxygenated, which im guessing is where the underwater plants get all their nutrients from. hope this helps!
Nine justices serve on the U.S. Supreme Court
This is an opinionated question, so points should not be affected toward your opinon. However, I believe corporations should not have loyalty to the United States because the U.S. could ban businesses from selling/sharing a product to certain countries, however I think the U.S. government should have some say in what corporations sell to other countries so that they aren't giving some random person in "who knows where" parts to make a bomb etc...