Identify the statements as describing something associated with the Silk Roads or the Trans-Shaharan trading network, Connected Europe and China,
Camel Caravans were mainly used
Extended throughout North Africa
Had a significant ocean component
Helped connect very different cultures.
Powerful cities were created along the
route
Religion was spread
Was made secure by the Mongols.

c or d both can be the answer

it was on the rise and doing very well and would continue to do well until the great depression from 1929-1939

russia because it is the biggest state

i believe it would influence their own way of understanding things. it shall be a foundation where they can draw or start an argument.   historians are also  scientists that  have their tools of analysis and expertise to unlock a variety of difficulties such as relationships of man, origin, politics, economy, and culture. based on facts and understanding on these areas, they may shade light to extract ideas and develop options to validate a hypothesis or debunk it.