The Westerners were unable to travel by land from Europe to Asia in the fourteenth century because the Mongols were strong in Asia at that time and killed anybody that came through the mountains that bordered Europe.
Answer:
1. We are suitably impressed that Da Vinci sketched a design for a submarine and a flying machine
2. There were also two Nordenfeldt submarine boats of doubtful efficiency.
3. A submarine cable connects the town with Zanzibar.
Explanation:
I think Slavery to Freedom
The figure is corridination with the other object that is in the image. they are both related to one another.
I think the answer is b. D is what both the North and the South agreed to which was the 3/5ths compromise