A proprietary colony was granted to an individual or group by the British rulers and were granted full rights of self-government. For example, Pennsylvania was a proprietary colony.
The major and initial strategy of the northern states was A. attrition. The North had far more troops than the South, and it was assumed that the South would eventually lose too many men and give up.
The second box is most likely petitions and resistance to new taxes which were constricting to the colonists after never being taxed before and previously being in a period of Salutary neglect