Why did slave population of Texas increase rapidly between the 1830’s and 1860?

A)slave owners from Mexico moved into Texas
B) slave owners from other places in south moved into Texas
C)slave we’re brought into markets along the golf of Mexico
D) slaves were brought in larger numbers by Herman immigrants to the state

Under the us constitution, some powers belong to the states. choose the power that belongs to the states.

Which of the following statements is true regarding adolescent ethnicity and self-esteem? select one: a. teens of all ethnicities in the u.s. are likely to experience a brief increase in self-esteem as they transition into early adolescence. b. teens of all ethnicities in the u.s. are likely to experience a drop in self-esteem as they transition from childhood to early adolescence. c. ehtnic minority teens in the u.s. are likely to experience a drop in self-esteem as they transition from childhood to early adolescence.

Can someone explain and give me two examples of checks and balances in usa government right three examples