some leaders entered war to suppress disorder in their countries
Explanation:
Socialist labor movements and the incline of strikes were a source of internal strife. Not only that, but the competition for lands abroad also led to rivalries among European states. Besides, industrialization offered new methods of building weapons and ships using iron, steel and chemicals for weapons, which helped military leaders grow mass armies.
European leaders might have diverted attention away from internal dissent and problems by rallying their nations to the cause of war.
The nations of Europe were struggling to adjust to societal changes brought on by industrialization. There were workers strikes and rising socialist movements that caused internal tensions between the ruling classes and the working class. In some parts of Europe, such as the Austro-Hungarian Empire, nationalistic fervor by different ethnic groups was causing unrest within their borders also. Solving a nation's internal problems posed great difficulties. It was easier to point to other nations as the great threat and problem to their people's security. It seemed to leaders that "prosecuting an active foreign policy" (as some Austrian leaders put it) was a way to suppress internal domestic troubles.
A cause was that Texas declared its independence from Mexico. It changed the U.S. by the U.S. gaining California, New Mexico, Utah, Arizona, Colorado and parts of Wyoming.
Adams signed the controversial Alien and Sedition Acts and built up the Army and Navy in the undeclared Quasi-War with France. During his term, he became the first president to reside in the executive mansion now known as the White House
1. Washington recognizes that it is natural for people to organize and operate within groups such as political parties, but he also argues that every government has recognized political parties as an enemy and has sought to repress them because of their tendency to seek more power than other groups and to take revenge on political opponents
The Constitution does not mention political parties, yet they play an important role in U.S. government. They began to emerge with disputes over the ratification of the Constitution, becoming known as the Federalists and the Anti-Federalists.