Answer:
The silk roads was a vast trade network connecting North Africa via land and it was a vast trade network connecting Eurasia and sea routes. Advances in technology and increased political stablitly caused an increase in trade. The silk roads allowed luxury goods like silk, porcelian, and silver to travel from one end of the silk road to the other.
Explanation:
C concurrent powers I believe
The Triple Entente: <span>Britain, France, Russia
</span><span>The Triple Alliance: </span>Germany, Austria-Hungary, Italy. (However, Italy's membership was meaningless and Italy fought alongside the Entente from April 1915)
<span>The Ottoman Empire, which fought alongside the Central Powers (from September 1914 on, was not a member of either.
</span><span>The US, which entered the war on the side of the Triple Entente was also not a member of either.</span>
Answer:
16. Abraham Lincoln
7. Andrew Jackson
17. Andrew Johnson
14. Franklin Pierce
1. George Washington
15. James Buchanan
20. James Garfield
11. James K. Polk
4. James Madison
5. James Monroe
2. John Adams
10. John Tyler
6. John Quincy Adams
8. Martin Van Buren
13. Millard Fillmore
19. Rutherford B. Hayes
3. Thomas Jefferson
18. Ulysses S. Grant
9. William Henry Harrison
12. Zachary Taylor
Explanation
Numbers are the order in which they became president.
Hope this helps :)