Answer:The increased demand for cheap housing by urban migrants led to poorly built homes that inadequately provided for personal hygiene. Immigrant workers in the nineteenth century often lived in cramped tenement housing that regularly lacked basic amenities such as running water, ventilation, and toilets.
Explanation:
Answer:lack of communication because of distances between properties.
Lack of communication between settlements because of nationalities and non speaking English americans
Explanation:
This answer depends greatly on the time period in question, but generally speaking it is true that the presence of many rivers and mountains protected China from invaders, and allowed their culture to grow with little outside influence, with the exception of Mongolian invasions from the north.
1. Eli Whitney
2.Sectionalism
3.Antebellum
4.Kansa Nebraska Act
5.John Brown
6.Dred scott decision
7.Compromise of 1850
8.Secession.
