It would be A hope I helped...Are you in k12 8th grade?
The navigation acts, the Enlightenment, and the Great Awakening on the colonists, were events that, although different among themselves, achieved the union of all the colonies, something that would be the precursor of the War of Independence. While the Navigation Acts were increased hostilities of all American colonies against the British; the Great Awakening on the colonists caused the Revolution in the long run. The British ministers were a higher class, but the ministers of the Great Awakening could break the rules; the new beliefs were also much more democratic and their message was of equality; also the first important event in which all the colonies could participate. They were both points of union for the 13 colonies.
I would say that "half" is the best option: UK and Spain were never conquered for example, but France, Denmark and Norway were, and so were the Benelux and Austria.
Texas' annexation was December 29th, 1845.
'Tis the answer is geology or geography'