According to the Preamble to the United States Constitution, our nation needed to form a "more perfect union." Which document had been the "law of the land" since 1781 and now needed to be replaced in 1787?

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.

What are the biggest challenges facing the average american citizen today? explain.

1. what potential advantages could companies like standard oil offer consumers?