during the 1820s, the united states and britain agreed by treaty to:
a. claim that the rio grande marked the southern border of texas.
b. trade with china.
c. patrol the mississippi.
d. share control of oregon county.

i think the answer would be a

what are the choices?

1. explain aspects of the democratic process as it was developed in ancient athens

2. trace the roots of the americans political process to ancient athens

3. explain the relationship of citizens to the political process