best explains how the Monroe Doctrine encouraged the territorial changes shown in Source 4? A It allowed the United States to gain Texas from Mexico. B It discouraged European powers from further colonizing the Western Hemisphere. It called for the forceful seizure of Florida from Spanish control. It promoted hostile relations between Great Britain and the United States.

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism

north atlantic treaty organization.