Three examples of american expansion the 19th and 20th centuries

In the nineteenth century, the Thirteen Colonies annexed Florida, ceded to the U.S. by Spain, purchased the Louisiana (currently, all the states west of the Mississippi River) from France, the annexation of Texas and the purchase of New Mexico, Arizona, Nevada and California after the Mexican-American War, the annexation of Hawaii and the purchase of Alaska from Russia.

answer is 1935

because gandhi led a march the sea in 1930 and 5 years later he did it again