Which is an example of a secondary source? an artifact
an interview
a letter
a textbook

What did the central and union pacific build? transcontinental railroad transcontinental highway transcontinental trail transcontinental path

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.

How were slavery and indentured labor in american colonies similar