The major cause is the Germany was using submarines to sink down the American ships and killed all of the American soldiers, and that is why the U.S join the war and pay back... mark me brainlist please...
The industry in the North of the USA was developed at first thanks to the development of agriculture in the South of the country. US Industrialization was facilitated by a unique confluence of geographic, social and economic factors. The post-American Revolution remained low relative to its European counterparts and the demand for labor created strong incentives to mechanize labor-intensive tasks. The East Coast of the United States, with a large number of rivers and streams along the Atlantic coast, including many potential sites for the construction of mills and the necessary infrastructure for scientific industrialization and early technology. A wide range of natural and social resources, together with a large supply of work made up of surpluses of rural domestic workers and the massive immigration of European countries allowed for industrialization. The supply of labor was an advantage of American industrialism than of European. After the closure of the American Revolution in 1783, the new government always gives solid property rights and a non-rigid class structure. The idea of issuing patents was brought to North America by the English, French, and Dutch settlers in the seventeenth and eighteenth centuries and adopted in Article I, section 8 of the Constitution of the United States authorizes the Congress "for promote the advancement of science and useful arts, ensuring for a limited time the authors and inventors the exclusive right over their respective writings and discoveries.These changes, together with the new techniques and requirements demanded by changing social norms, led to the introduction of new manufacturing techniques in colonial America that preceded the industrial and modern revolution.
The correct answer is D. water parks.
Water parks started their construction during the late 1940s, so obviously people couldn't enjoy them prior to that moment. Coney island began building in 1840s, Barnum and Bailey circus was there since 1870s, and Nickelodeons (referring to cinemas) were there since late 1800s.
