USA HISTORY

Detailed explanation-1: -Scott’s troops then set off for Mexico City, which they captured on September 14, 1847. Covering 260 miles, Scott’s army had lost not a single battle.

Detailed explanation-2: -The northern boundary of Oregon was the latitude line of 54 degrees, 40 minutes. “Fifty-four forty or fight!” was the popular slogan that led Polk to victory against all odds. Oregon City, along the banks of the Willamette River, the final stop along the Oregon Trail as it appeared in 1848.

Detailed explanation-3: -The Development of the Telegraph New York University professor Samuel Morse (pictured at left) began working on his version of the telegraph in 1832; he developed Morse Code (a set of sounds that corresponded to particular letters of the alphabet), in 1835; and by 1838 he had presented his concept to the U.S. Congress.

Detailed explanation-4: -Which event was most responsible for creating a diverse population in California? The gold rush.

Detailed explanation-5: -Which of the following was not a reason the United States was reluctant to annex Texas? Texans considered U.S. citizens inferior and did not want to be part of their country.