This answer is definitely A. merchants. Hope this helps please thank me and five star!
Answer:
I think Terrorism has been a challenge for the US because there have been some serious attacks that left many people dead.
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 :)
while Workers were digging a well outside the city of Xi'an, China, in 1974 struck upon one of the greatest archaeological discoveries in the world: a life-size clay soldier poised for battle.
The diggers notified Chinese authorities, who dispatched government archaeologists to the site.