What two counties became rivals in east africa

In a planned economy, which of the following does the job of market forces in order to determine the outcomes?

The establishment of columbia as the state capital was important because a) it was located in the heart of the upcountry. b) it was located in the heart of the low-country. c) it was already established as a vital industrial center. d) it represented a compromise location central to most citizens.

What was the compromise that allowed california to be admitted to the union