Well, the British was the cause of James Monroe passing the Monroe Doctrine. They settled in territory they weren't permitted and then the Monroe Doctrine was passed in effect of European settlement aka the British. They then agreed to not settle and in return, their foreign affairs was left to be.
population growth mmm gud one. I will just give what people dont like to hear and tht is THE AGENDA AND CONSPIRACY OF BILL GATES DEPOPULATELING THE PLANET WITH VACCINES THAT KILL YOUR CELLS .
It was primarily the introduction of the Ford Model T that most contributed to declining automobile prices during the 1920s. This due to Ford's innovative technique.