They were given almost as much power as the king, which included collecting
taxes and declaring war.
Explanation:
The lord propietors were persons appointed by the King that had letters of property for certain lands, they had power to appoint new laws, institutions, churches and were virtually kings of the land that the king gave them in exchange for a fraction of the income created in that given land, that included collecting taxes and declaring war. They also had the power to create and appoint new governments and governors within their territory.
