The Central Powers which included Germany,Austria-Hungary,Ottoman Empire and Bulgaria so A) because of the limited correct answers
Its location. the silkroad stretches from china to europe
The French army helped America corner the British by making a blockade and preventing any escape by water whilst the Americans attacked and sealed off any escape by land.
Answer:
15. its called the National Road.
16. It begins in Vandalia, Illinois and ends in Cumberland, Maryland, and vice-versa.
17. roughly 620 miles
18. in the year 1811
19. in the year 1828
20. no idea, but you can figure that out
Explanation:
hope that helped.