<span>Federalism is the most important.
</span><span>I could be wrong but I gave it my best shot.
Hope this helps!!</span>
<span>B. They created strong central governments in the lands they conquered.
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Children killed when they arrived in killing centers
children killed immediately after birth or in institutions
children born in ghettos and camps who survived because prisoners hid them
children, usually over age 12, who were used as forced laborers and as subjects of medical experiments
Answer:
C
Explanation:
It allowed them to control all trade in the region
