Many people did not want an absolute monarchy.
Answer:
Raising money was difficult for a small, new country.
Texas needed help defending its borders against continued attacks by Mexico.
Explanation:
Some of the reasons that Texas wanted to become part of the US was for financial help and stability because raising money for them at the time was difficult.
Another reason was for security: They needed a stronger force to protect them against the attacks of the Mexicans which came almost incessantly.
The Three Training prepare people to reduce their desires, whereas the Four Purpose encourage people to pursue them virtuously.