Answer: I believe the answer is A but im not very sure.
He thought the colony needed to attract many new settlers.
B. A meteor or asteroid colliding with the Earth.
The Mesozoic Era lasted for approximately 180 million years and ended at about 250 to 65 million years ago. The 'Great Extinction' happened in this era and it marked an end to almost all forms of life.
Answer:
CIVIL WAR. The sectional controversies that divided the North and South in the 1850s deeply troubled Texans (see ANTEBELLUM TEXAS). While most Texans had a strong attachment to the Union that they worked so hard to join in 1845, they expressed increasing concern over the attacks upon Southern institutions by Northern political leaders. Although only one Texas family in four owned slaves, most Texans opposed any interference with the institution of slavery, which they believed necessary for the continued economic growth of the state.
Explanation: