Link the famous leader with his empire.
1. Darius the Great
Nubia
2. Piankhi
Babylonia
3. Ezana
Aksum
4. Nebuchadnezzar
Assyria
5. Shalmaneser III
Persia
Is this right?

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.