What is associated with: about 22000 square miles this country includes the regions of dalmatia istria?

What is associated with: about 20000 years ago hunters crossed whats now this strait to become north american indians? What is associated with: about 200000 black soldiers served in the civil war on this side? What is associated with: about 200000 strong this non active duty part of the us army has its headquarters in atlanta? What is associated with: about 220 miles at its widest point 10000 at its deepest its a wonder how the israelites cross… Based on the clue 'about 23 of the boundary between mexico the us is...', what is the answer? Based on the clue 'about 23 of the water in the nile comes from this ...', what is the answer? Based on the clue 'about 23 of the weight of bone tissue consists of ...', what is the answer? Based on the clue 'about 23 of this rivers 23 million square mile tro...', what is the answer?