Answer:
When there are smaller units, the country can send those out instead of the larger ones.
Explanation:
This can both save on military resources for less-critical fights in wars as well as forcing the enemy to let down their guard.
The Mississippi River was a long trail of flowing water. Erie Canals were made to be long and help water travel to help crops and plants grow. Hope I helped! :)
I don’t know and it’s just question but if you could clarify the question I’d be glad to help you. With this question
1. Federalism isn't good.
2. Laozi.
3. I don't get what you mean by "belief system". Please clarify in the comments. :)