In 1519 the aztecs invaded mexico. Hope it helps!!
<span>The Annexation of Texas, the Mexican-American War, and the Treaty of Guadalupe-Hidalgo, 1845–1848 </span>
During his tenure, U.S. President James K. Polk oversaw the greatest territorial expansion of the United States to date. Polk accomplished this through the annexation of Texas in 1845, the negotiation of the Oregon Treaty with Great Britain in 1846, and the conclusion of the Mexican-American War in 1848, which ended with the signing and ratification of the Treaty of Guadalupe-Hidalgo in 1848.
to conserve the scenery, natural and historic objects and wildlife within the parks and to “provide for the enjoyment of the same in such manner and by such means as will leave them unimpaired for the enjoyment of future generations.
Answer: No other European power had established a presence in the area.
In the early 19th century, Russia had already established some colonies in Alaska, securing its presence in America. Russia was expanding East, across Siberia, and eventually started moving south, until it reached Northern California.
Americans who were involved in the sea otter business proposed some joint hunting expeditions with Russian supervisors and Native Alaskan hunters to hunt seals along the Californian coast. These expeditions allowed the Russian parties to observe large stretches of uncolonized land. This led to the conclusion that a Russian settlement could be established in California.
Answer:
Regarded as the founder of American landscape architecture, Frederick Law Olmsted (1822–1903) is best known for designing the grounds of New York City's Central Park, the U.S. Capitol in Washington, D.C. , the Biltmore Estate in North Carolina and the 1893 World's Columbian Exposition in Chicago.
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