Answer:
Many American settlers and Tejanos, or Mexicans who lived in Texas, wanted to break away from Mexico. They did not like laws made by Santa Anna, Mexico's president. The Tejanos and Texans decided to fight for independence. ... After this, Texans declared independence and formed the Republic of Texas.
Because while their government says they are democratic, they are really fascist or strongmen governments
hope this helps
I am not 100% sure but i say c
O C. They developed some of the math used today