Yup its Niccolo Machiavelli & The Prince
The ice age caused bridges made of ice to form, early people crossed these bridges and worked their way into the Americas
He is widely regarded as the "father of experimental psychology". In 1879, at University of Leipzig, Wundt founded the first formal laboratory for psychological research.
The causes of the war was that the British decided to make american colonies pay a huge part of the war debt from the from the French and Indian war with the sugar act,Stamp act,and more taxes.
B.basins being drained by river systems