"the terrorist <span>attacks on the United States" would be the best option from the list since communism was already on the fall and the US had just suffered a terrorist attack in New York City. </span>
Einstein's life essentially revolved around solving the world's mysteries, making him a pioneer in challenging the collective view of science.
The united states signed the Louisiana purchase with France.
The French Revolution was a necessary event which lead to positive impacts is correct
As It overthrowed the king(as that king didn’t cared about the common people or the people belonging to the third estate in the France) the king was Louis XVI
Also it helped to overthrow he the estates system in the France.
It also helped to free slaves
Hope I helps you!
