Explain how the native animal populations in both Europe and the Americas played a role in the spread and impact of European diseases in the Americas.

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

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.

a variant spelling of the word dote (british)