I think it's russia, i am unsure, sorry for answering so late :)
Answer & Explanation:
In his “house divided” speech, Lincoln countered that the Dred Scott decision the previous year had already opened the doors for slavery to be legal in the north, as well as all territories that the U.S. expanded into. If the U.S. wanted to be a free country, he argued, it had to act now before it was too late.
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Answer:
The period of 600-1450 saw a large increase in volume of long distance trade.
Explanation:
Overland trade included luxury goods, such as silk and precious stones, while sea lanes carried larger, bulkier goods such as steel, stone, coral and building materials.
