Yes, the revision helps world trade. Because originally, they only allowed certain types of gasoline into the country, and now they have to allow even more types. It also hurt the U.S, since they couldn't choose, and might have to have poorer quality gasoline in the country.
Answer:
His official motivation was to outmaneuver suspected diplomatic efforts by the British government for emancipation of slaves in Texas, which would undermine slavery in the United States. Through secret negotiations with the Houston administration, Tyler secured a treaty of annexation in April 1844.
Explanation:
I migt be wrong
According to google, "<span>Russia had an autocratic government prior to the Russian Revolution, being ruled by one person, Tsar Nicholas II. It did have an elected body called the Duma, which was instituted after a small revolution in 1905 by Tsar Nicholas II, however it had virtually no power to make laws that the Tsar had to honor." Hope this helps :)</span>
Answer: B) Alliances between European Nations
This is mostly likely false