Housing for factory workers was so bad in the late 1800s, and city sanitation was so poor, that epidemics of swept through whole cities

The correct answer is B) typhoid.

Housing for factory workers was so bad in the late 1800s, and city sanitation was so poor, that epidemics of typhoid, swept through whole cities.

Typhoid fever is caused by a bacteria called "Salmonella enterica serotype Typhi." The bacteria are located in food or water and can be contagious.

The working conditions in factories in late 1800 were so poor and unhealthy, without the proper ventilation. And workers used to live in very small departments or rooms that were also in poor conditions that favored the generation and spread of diseases.

The other options of the question were A) smallpox. C) measles. D) swine flue. E) plague.

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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