Who did the Emancipation Proclamation promise to free? A) all slaves in Union and Confederate states B) all slaves in Union states C) only slaves in states that were in rebellion against the Union D) slaves in Confederate states that had free relatives in the North

C) Only slaves in states that were in rebellion against the Union.

Explanation:

The Emancipation Proclamation was issued on January 1, 1863. It didn´t apply to all the slaves in the USA. It was to be enforced only in the Confederate states and not in those border states loyal to the federal government, but where slavery existed.  

several states had passed similar laws, but they were limited to intrastate businesses. the sherman antitrust act was based on the constitutional power of congress to regulate interstate commerce.

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