The President . . . shall have Power to grant Reprieves and Pardons for Offences against the United States, except in Cases of Impeachment." The power to pardon is one of the least limited powers granted to the President in the Constitution.
The best anwer is 4); vegetation is vital from keeping a place from becoming a desert. It transforms the ground into that with more nutrients, captures water and stops erosion, as well as protects the nutrient parts of the soil from being carried away with the wind.
Many two-dimensional geometric shapes<span> can be defined by a set of points or vertices and lines connecting the points in a closed chain, as well as the resulting interior points. Such</span>shapes<span> are called polygons and include triangles, squares, and pentagons.</span>
Watergate scandal would be the main thing.
But if you want a second answer to this then the Arab oil embargo because of how much people were unable to get gas or go to work.