Answer: The Great Plains, the Canadian shield, The Caribbean, and the mountainous west.
Explanation:
The right answer is James K Polk (President of America), whose message to the congress stated that Mexico had passed the boundary of the United States, has invaded our territory and shed American blood on American soil.
James K Polk was elected the U.S President on a platform of expansionism who supervised the highest territorial extension of the United States. In 1846, he directed the commander of the army in Texas to lead his troops in the disputed lands between the two rivers Rio Grande and Nueces. A few months later, He sent a mission under the leadership of John Slidell ( a congressman) to Mexico to buy the disputed territory along the Texas- Mexican frontier. Following the failure of the mission Polk in 1846, He <u>managed to use the news of the encounter inside the disputed area between the forces of Taylor and Mexican's, to achieve the support of Congress for its declaration of war against Mexico.</u>
Answer:
Lewis and Clark's team mapped uncharted land, rivers, and mountains. They brought back journals filled with details about Native American tribes and scientific notes about plants and animals they'd never seen before. ... Many Americans did more than dream. The great westward expansion was about to begin.
Answer:
They served as land guides, pilots and spies for the U
nion army during the 1862 Peninsular Campaign
Most people were engaged in agriculture as in the U.S. in 1820. They farmed to feed and clothe themselves; in other words, they engaged in subsistence agriculture. Most people did not own land. The land was owned by a few, such as hacendados or the Roman Catholic Church.
There were export sectors in economies. Exports were of two basic kinds: agricultural and mineral. Argentina and Uruguay exported cattle hides and salted beef. Bolivia exported silver and mercury; Peru: silver and, later, guano; Colombia: precious metals and sugar; Brazil: sugar and, later, coffee; and Mexico: silver, gold, and cotton. Most of these exports went to Europe. Little went to each other. None of it in huge volumes even in Argentina until the late 19th century. The countries lacked capital, communications networks, and technology to develop the export business. Besides, the upper class was able to meet its needs without much economic expansion. Societies were run for the benefit of the upper classes.