Douglas argued that slavery was a dying institution that had reached its natural limits and could not thrive where climate and soil were inhospitable. He asserted that the problem of slavery could best be resolved if it were treated as essentially a local problem
How wide is the Amazon river at its widest point

Families fell apart when the husbands would leave to go search for jobs.To save money, families neglected medical and dental care. Many familles sought to cope by planting gardens, canning food, buying used bread, and using cardboard and cotton for shoe soles. Despite a steep decline in food prices, many families did without milk or meat.
Marriages were delayed, Divorce &birthrate decreased .

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Answer:
A. let settlers feely practice their own religions.
Explanation:
the middle colonies contained an assortment of religious groups. Such as, Presbyterian church, Quaker meetinghouse, Jewish synagogue, etc.
Access to food, water, shelter, and all basic human needs can hinder or help the growth of a civilization. Civilizations with similar environments or climates tend to develop on similar paths (because they run into the same problems/conveniences that have to be solved by human brains, which are wired to react to certain situations in certain ways.)