What was the purpose of the 12th Amendment?​

What kind os source would a historian use to get a firsthand account of a past event

Select the correct answer from the drop-down menu.during the (scientific revolution, renaissance, industrial revolution), european intellectuals rejected many teachings of ancient scientists promoted by the church. to replace flawed theories, scientists began researching and conducting experiments. they used critical and reasonable thinking to draw concrete conclusions. this also led to the (scientific revolution, industrial revolution, enlightenment). it was an age that focused on using reason for understanding laws of nature and identifying humans' natural rights.

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?