Doesn't matter who's president. The business interests of the USA are tangled up in foreign resources, such as petroleum and other natural resources. Market demand for certain products increases pressures on big businesses to keep delivering products to consumers at a profit, so if things start looking iffy, they pull the strings of the US government and tell 'em to go to war.
As long as you got your point across and it's not a formal piece of writing, then spelling mistakes and grammar "errors" are going to happen. Language is dynamic. If language use patterns never changed, people would still be talking like cave-men.
Some things, such as breathing and drinking water, are not original ideas. It's ok to do unoriginal things sometimes. Well, ok maybe each moment in the universe is unique.
No, you'd have to go back in time and have a discussion with the first single-cell organisms and tell them about the possibile consequences of their decisions.
That's still a possibility! ;-)