Answer: D, understanding and helpful.
Explanation:
<span>Mao Zedong became the chairman of the Chinese Communist Party in the 1930s</span>
The wars stemmed from the unresolved disputes associated with the French Revolution and its resultant conflict.
John Adams increased tension in the US during his time as president.He served during a period of naval conflicts with France. During this time he oversaw the Alien and Sedition Acts, which effectively banned protesting or speaking out against the government and paved the way for the deportation of immigrants. These acts were sold as protecting the country from anarchy, but they were widely viewed as suppressing dissent and punishing those who disagreed with the Federalist Party by individuals such as Thomas Jefferson.