1987 â The Black Dragon Fire burnt a total of 72,884 square kilometres (28,141 sq mi) of forest along the Amur river, with three million acres (4687.5 square miles) destroyed on the Chinese side.
The US acquired Guam, the Philippines, and Puerto Rico as a result of the Spanish-American War.Spain forfeited sovereignty over Cuba, although Cuba was controlled by the United States for four years.he Spanish-American War was mainly fought for Cuban independence. The Americans fought with the Puerto Ricans, Cubans, and Filipinos against the Spanish. The American side wo â¦ n and then the US acquired three Spanish territories: the Philippines, Guam, and Puerto Rico.
Puerto Rico, Guam, and the Philippines (for which the United States compensated Spain $20 million, equivalent to $567 million in present-day terms), were ceded by Spain after the SpanishâAmerican War in the 1898 Treaty of Paris.he 1783 Treaty of Paris with Great Britain defined the original borders of the United States. There were ambiguities in the treaty regarding the exact border with Canada that led to disputes that were resolved by the WebsterâAshburton Treaty in 1842.