Plant |
Origins |
Positives |
Negatives |
potatoes |
Central and South America Brought to 1…………. by the Spaniards in 16th century |
It led to
- changes in 2……….
- people moving to another country to find new 3………..
|
- In Ireland, the 4…………… became dependent on potatoes.
- Disease led to mass 5………….. .
|
tobacco |
The Americas |
- It played an important role in US history.
- Known as the first 6………. crop in the US.
|
- Led to increases in slavery
- Became a cause for 7……….
|
8……………… |
China |
Helped bring about independence in the US. |
The 9………….. imposed on it became a key event in American Revolution. |
White Mulberry |
China |
It started 10…………. between East and West. |
It led to increases in the spread of disease. |