The answer is right there. The great leap led to economic failure failures and this affected the people because they were food shortages in the country.
The bush administration announced a war on terrorism with the goal of bringing Osama Bin Ladin and al-Qaeda to justice and preventing the emergence of another terrorist network.
It was "John O'Sullivan" who <span>entitled the phrase "manifest destiny," since he used this phrase to describe the vision that the US was "destined" to expand all the way to the Pacific Ocean. </span>
Albert Gallatin thinks the real motive underlying the idea of Manifest Destiny is the following one:
US thinks we are superior
Manifest Destiny was the belief that America should expand all over the North American continent as it was their divine destiny to remove Native Americans and other nations from their continent. Gallatin believed that this was only to show everyone the supremacy of the American nation.