1. The Italian Marco Polo left his home in Venice in 1271 C. E. How many years passed before he returned from China?

Marco was a shrewd businessman who won the Mongol emperor's favor and was sent on special missions all over the region. His stay in China lasted seventeen years, and by the time he returned home to Venice in 1297, twenty-six years had passed since his departure. On his return, Marco, a superb storyteller, was persuaded to write his memoirs.

the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

hope this .

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.