<span>The president’s role as chief executive is to decide what laws can be approved and implemented in the United States. He is the so-called 'Boss' of the country because he is the ones that is responsible for the "Last say" for every decisions for the good of the country.</span>
The Mexican-American war of 1846-1848 was justified in the opinions of many by the idea of "Manifest Destiny" since this held that the US was "destined" to expand to the Pacific Ocean.
Uriah Stephens, pre-1882. Stephens (1821 - 1882) was a U.S. labor leader. He led nine Philadelphia garment workers to found the Knights of Labor in 1869, a more successful early national union.