Answer:
Mexico refused to recognize the Republic of Texas, and intermittent conflicts between the two countries continued into the 1840s. The annexation of Texas as the 28th state of the United States, in 1845, led directly to the Mexican–American War.
Explanation:
Peter the Great established St. Petersburg, his window on the west. He spread his ideas of westernization, and expanded the country.
He also established beard laws, you had to pay a tax in order to keep your beard (not necessarily positive though)
<span>In the sense of getting the country back into profitable big business, Harding was successful in a "return to normalcy." That said, his presidency was marked by scandal and corruption and he died halfway through his term, so it's tough to consider him a successful president. </span>
Slavery led to sectionalism in the United States and pushed the country to the brink of war.