The correct answer is <span>b methodically purging potential rivals
In these purges millions of people died. Many of them would just disappear over night while other would be sent to Siberia into Gulags or to work until they die in mines and similar projects. He would even remove them from history by removing them from pictures and destroying everything they ever had or wrote or built.</span>
The correct answer is D) "Population in rural areas grew faster than urban areas".
After the <em>Treaty of Guadalupe Hidalgo</em>, where Mexico ultimately gave the US control of Texas in exchange for an economic compensation, the border between both countries was established at the Rio Grande.
This finally paved the way for immigrants to come to Texas and settle in the lands where cotton production was possible, resulting in a rapid growth of rural populations.
Plantation owners needed big quantity's of on hand labor to grow tobacco, rice, and indigo.
It is recorded that the Hominids discovered fire and mastered it, so I would say that the answer is true.
Hope this answer helps! feel free to ask any additional questions :)