presidents Tyler and Jefferson both made executive decisions that extended the power of the presidency describe the decisions they made and how they enhanced the original power of the office

Tyler stepped up to become president after Harrison died during his term.

Explanation:

At the time there was no 25th amendment to tell what would happen if a government official could not serve their term, it was not in the constitution. For Jefferson, there was nothing in the constitution saying whether or not he was allowed to purchase the Louisiana Purchase for the United States, but it ended up doubling the size of the United States.

what are local authorities doing to fix the problem

explanation:

a. the astrolabe could determine the correct latitudinal location of the ship