While we can name many characters that were important in the process of annexing Texas to the United States, the name that stands out is Samuel Houston.
When the US Congress voted for the annexation of Texas at the end of February 1845, Mexico suspended its diplomatic relations with the US Union, warning that the annexation of Texas would be considered an act of war.
In Texas two political groups would be formed: a small portion, partisan of Texas independence, whose most important representatives were Anson Jones and Ashbel Smith; The other, more numerous and popular, was headed by Samuel Houston and was in favor of annexation to the United States.
The correct answer is B. the Moghuls ruled in parts of modern day India from 1526-1857. The Ottomans in present day Turkey and the middle east from 1299-1922. Safavid empire was in the modern day area encompassing Iran from 1501-1722.
Gorbechev's economic reform efforts is called "Perestroika"