The requirement of colonists to pay for the upkeep of British soldiers is known as Quartering. This requirement was part of the Quartering Act and was an amendment to the Mutiny Act.
The main way in which the grievances in the Declaration of Independence were addressed in the Bill Of Rights is that the Bill of Rights explicitly protects individual liberty, and things like freedom of speech, freedom of religion, etc.--al things that the colonists felt had been robbed of them by the British.
The garrisons were an anti slavery group who helped free other slaves
European countries use trade to gain wealth
The stronger countries in Europe in the 1400s and 1500s - England, Spain, France and Portugal.
