https://study.com/academy/lesson/how-geography-isolated-ancient-china.html
That video will explain everything. I have already learned this in school, and it is very important on the test. VERY IMPORTANT.
 
        
             
        
        
        
Answer:
Islam is most likely the single biggest cultural influence in North Africa. Along with the spread of the Muslim faith came an introduction to international trade and emerging economic centers.
Explanation:
hope it helps you
 
        
             
        
        
        
Answer:The correct answer is B) state government officials in the United States.
B.state government officials in the United States will enforce this document.
The text states that: "That on the first day of January, in the year of our Lord one thousand eight hundred and sixty-three, all persons held as slaves within any State or designated part of a State, the people whereof shall then be in rebellion against the United States, shall be then, thenceforward, and forever free; and the Executive Government of the United States, including the military and naval authority thereof, will recognize and maintain the freedom of such persons, and will do no act or acts to repress such persons, or any of them, in any efforts they may make for their actual freedom ..."
This was part of President AbrahamLincoln's proclamation about slavery on January 1, 1863.
Explanation: