The Constitution does not directly mention secession, but the Supreme Court has consistently interpreted the Constitution to be an indestructible union. There is no legal basis a state can point to for unilaterally seceding. So basically, no, a state can not secede, it is blatantly illegal.
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They ended up colonizing North America for different economic reasons. Spain colonized America because they were searching for gold and silver. They did find a lot of gold and silver when they conquered the Aztec and Inca Empires. France colonized North America because of the great amount of furs they found there.
No. Japan bombed the Pearl Harbor mainly due to being desperate. The US had placed an embargo (no trade rule) on Japan. This led to no trade between the US and Japan and led Japan to losing a lot of money.
It helped people understand their surroundings to let them know which places were dangerous and which ones wernt
