Answer:
Agriculture (and associated population increase) resulted in population seventies and crowding. Accumulation of waste and increased transmission of microbes owing to crowding provided the conditions conducive to the spread and maintenance of infectious disease.
Explanation:
Answer:
True
Explanation:
The National Origins Act was an act with which the United States set up lot of limitations about immigration. This act prevented the people from East Asia to migrate to the United States, as well as minimizing the number of immigrants from Southern and Eastern Europe. The main purpose behind this act was to retain the homogeneity of the population and preserve the culture. The people from north and western Europe were not in such a situation though, and even though the United States limited the number of immigrants that they will get annually, they were not discriminatory towards these people. This is why the majority of the immigrants in this period from the countries like Germany and the Scandinavian countries.
<span>Helped people to have better lifes
</span>
<span>A The British army was thoroughly unprepared to take on the American colonists.</span>