Maybe it means that there’s a difference between how much land they own or something. It says there was a difference between the amount of land they occupied and the amount of land they couldn’t control. So maybe they didn’t own/have a lot of land but there was a lot of land they couldn’t get to/take over etc. or maybe this situation could be vice versa so they have a ton of land but only a little isn’t “controlled” let me know if this helps sorry if it’s confusing I’m just guessing based on the context clues :)
The answer to the question presented above would be letter b. amount of dissolved gases. The increased pressure increases the body's amount of dissolved gases. This change to air pressure greatly affects the human body and these changes can happen when going into the depths of the ocean or when climbing mountain peaks.
I think both Imperial China and Rome were both able to create a strict government. They were able to create a social stratification that allows people to function according to their designated roles, They were able to enforce a strong military which leads to successful conquest of neighboring states.
One similarity between the Nile River valley and savanna lands in Africa is that they both "<span>(2) provided necessary resources for settlement," since these areas offered rich soil and other resources that were essential for the development of sustainable societies. </span>
* To discuss how to respond to the new taxes