What are the options to this ques
<span>civilizations
cultural exchanges
mercantilism
women's roles
language development
So all of those above this sentence were advanced by trade in the second millennium
Hope this helps!</span><span />
<span>Before 1830 - The South defended slavery as a necessary evil. They argued that the emergence of cotton as the most important cash crop in the country made slaves necessary. Instead of defending slavery as a necessary evil, they began to defend slavery as a "positive good."</span>
The focus was on expansionism, the United States took little part in foreign affairs for much of the 1800s. Committed to the policy of isolationism, the U.S. declined to intervene in an independence movement in Poland when asked to do so by foreign leaders.
Answer:
The greenhouse effect is often caused by the atmospheric accumulation of gases. Those gases tend to be Carbon Dioxide and/or Methane
Explanation:
The greenhouse effect is caused by these gases because Carbon Dioxide and Methane absorb some of the heat that radiates off of Earth's surface, trapping the heat and then the greenhouse gases absorb the heat and it leads to a rise in its temperature
