Answer: B. 13
Explanation: Thirteen colonies were invited to ratify & eventually voted in favor of it
Answer:
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Before, trains, cars, airplanes and trucks existed, rivers were used for travel. They carried people and goods. However, this way of transportation was very slow. All that changed with the arrival of the steamboat in the late 1700s and early 1800s. The steamboat could travel at the amazing speed of 5 miles per hour. It soon changed all over river travel and trade and dominated the waterways.
The Europeans treated the Africans really cruel. The Europeans were trading with the Africns but then they decided to trade the Africans as slaves.
hope this helped ;D
A) The invasion of Austria.
Explanation: Brainly