The first slaves were introduced into the English-American colonies by a Dutch trader, who, in 1619, sold twenty of them to the settlers at Jamestown, Va.
the answer to your question is a) they had advanced planning and developed effective military methods.
Answer:
A
Explanation:
Lots of protesters took to the streets, demanding that czar give them bread
1. The internet
2. The car
3. AI
4. The wheel
5. The Telephone
6. Pens/Pencils- we wouldn’t have many documents without it
7. Currency
8. Harnessing Electricity
9. Languages
10. School
