I am pretty sure it is to serve as an elevator by raising and lowering ships. But i might be wrong. I know it is not the last one
The printing press was invented
The doctrine that allowed people living in the territories to decide the issue of slavery through their governmental bodies was called "popular sovereignty," since this held that the people were ultimately in charge of whether their state was "slave" or "free".
The correct answer is D) form an exploratory committee.
A potential candidate most likely forms an exploratory committee.
Before participating in a primary, the politician who is aspiring to run for the presidency, first of all, has to form an exploratory committee. This way he/she could asses the real chances he/she has and the probable support of the members of his party. In a bi-partisan system like the one in the United States has, the two more dominant parties have been the Republican Party and the Democratic party.
Rulers of Indian states could exercise power to a minimal extent because when the British imperialized India, they gave the Indians little power in government in the period of 1750-1900.