Which of the following is NOT a negative effect of the Columbian Exchange: a Destruction of native peoples due to colonization b Disease c Invasive Species d Globalization

What makes this speech a primary source? o a. the words are spoken by the president himself. o b. it uses narrative to keep the reader's attention. o c. it was written over 70 years in the past. o d. it contains a strong historical argument.

What specific events led richard nixon to resign the presidency

What is domino theory? how did domino theory impact the us involvement in the vietnam war