The immediate cause of World War<span> I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.</span>
"rewards and favoritism from the president" usually prompted the appointment of territorial governors early in history, then it shifted more towards character and merit.
The Congress´s power implied through the "necessary and proper clause", also known as the "elastic clause" is to pass any legislation relating to the "express powers" granted though the Constitution. Alexander Hamilton was the main supporter of this interpretation.
Parliament believed they had the right to tax the colonies. So they began to tax all the colonists. Hope that helped.
The French army helped America corner the British by making a blockade and preventing any escape by water whilst the Americans attacked and sealed off any escape by land.