<u>The industrialization supposed a strong increase of the population</u>. <em><u>This was concentrated in cities, which were growing with the waves of immigrants from rural areas, attracted by the work in the industries</u></em>.
<u><em>The growth of cities was not accompanied by urban planning, hence the lack of basic services</em></u>: <u>running water, sewerage, etc. The lack of hygiene was absolute.
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<em><u>The correct answer is A</u></em>: <u>Overcrowding</u>.
The American revolution opened so many different trade opportunities that the colonist night longer needed Britain and their manufacturers
The Pueblo’s settled in the Southwest of North America. Known today as New Mexico, Arizona and Colorado.
The American people had a voice and the amendments allowed people to vote. Like the 13, 14, and 15 amendment allowed all people to vote. Their voice could get heard
the desire of the U.S. to trade with China on equal terms with European powers
