Answer: 10 is c and 11 is A
Explanation:
The answer is: The sea
Back then, the techology that exist to travel by sea was not as developed as it is today. If an empire decided to travel through the sea in order to do some conquests, that empire will risk several things, such as:
- Loss in directions
- The ships could be swallowed by harsh wheather in the middle of the sea
- It need a lot of resources to maintain the armies during the travel
Meriwether Lewis and William Clark and Sacagawea
<span>Agriculture and domestication of animals. Both allowed for an increase in food while causing people to remain in one location. That allowed specialization of tasks and created the need for record keeping and government.</span>