A. Vargas returned with settlers
Explanation:
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The development of banking during commercial revolution in western Europe was significant because it allowed for the creation of private and public credit--meaning that much larger ventures could be started due to an increase of capital, which allowed people to take bigger risks.
The answer is B. I think.
Your answer should be - Cooked air rises creating a high pressure system below
Pros of child labor--children are a cheap labor source, they work jobs specific to small details, they help to provide money for the family unit, and they provide taxes instead of any cost to the government.
Cons of child labor--it reduces the lifespan, reduced education rate through the country. Outlawing child labor would cost families money and with public education costs the government money.