C a.
Which of the following was a domestic challenge faced by Sam Houston?
a new court system
b. lack of public land
c. Native American raids of Texas settlements
d. potential invasion by Mexico

c.

Native American raids of Texas settlements

Explanation:

I will try to never get a wrong answer and this is right!

one of the major compromises in the constitutional convention was between the small states and big states. the small states wanted each state to have the same number of representatives in congress. the big states wanted representation based on population.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)