Merchants and traders who travel along these routes must stop at oases to replenish food and water supplies and this means that whoever controls an oasis also controls the trade along the route—making oases desirable to political, economic, and military leaders.
South Korea becoming a communist country after China tried to take over.
A day where you honor people that served in the military
Answer:
B.)
Explanation:
The emergence of external and internal challenges that threatened the stability of imperial states