Jonas Salk was an important American medical researcher and virologist, who is mostly known for developing the first successful polio vaccine in 1955.
-Gvcci
The different types of rock music have been popularised by the American film and music industry during the 1980's to a point that it spread out throughout the world. The trend was attracted internationally because of the high American standards of music incorporating the most advanced technologies.
No, almost nothing is inevitable in history
Equal protection under the law.
AT the end of the Mexican American War, the United States promised the Hispanos and Califonios that they will enjoy full protection under the law. The war officially ended on February 2nd, 1848 with the signing of the Treaty of Guadalupe Hidalgo in Mexico City.
<span>US gained territory in the Pacific Ocean.
The Spanish-American War is the beginning of the imperial era in US history gaining their first territories from the war.
The US gained Puerto Rico, Guam, and the Philippines from the Spanish-American War and soon after completed the annexation of Hawaii. With colonies in the Pacific and trade connections growing in Asia, the US needed a quick way to move resources and ships from the East coast to these new areas. The canal through Panama made the naval commute shorter and faster as well as safer.</span><span />
