The United States shifted from isolationism to empire building with its involvement—and victory—in the Spanish-American War. But at the same time, the country sought to expand its reach through another powerful tool: its economic clout. The Industrial Revolution gave American businesses an edge in delivering high-quality products at lowered costs, and the pursuit of an “open door” policy with China opened new markets to American goods. This trade agreement allowed the United States to continue to build power through economic advantage.
A bill becomes law if signed by the President or if not signed within 10 days and Congress is in session. If Congress adjourns before the 10 days and the President has not signed the bill then it does not become law ("Pocket Veto.")