Answer:
agricultural food production supported a denser population
Answer:
The success of Portugal's exploration of Africa affected Spain because they found a route around Africa so their ships could continue east and Spain was not a part of this no more.
Answer:
The great wall of china helped protect the land from outsiders. It also helped the army keep watch on intruders.
Explanation:
If you have ever seen the movie Mulan, at the very begining
the army is keeping watch on the wall and when the bad guy comes up the wall, the guards warn the other guards that there are intruders invading China.
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