When the nation's leaders met in 1787, these problems needed to be addressed. select all that apply. tax collection irregularities in voting procedures law enforcement trade between the states slavery

On May 25, 1787, delegates from various states met in the Pennsylvania State House in Philadelphia. They held the meeting regarding future plans where the reforms in the economy were discussed and a formula for tax collection was proposed. In the same meeting the law enforcement methods were formulated to maintain peace and harmony in the newborn country and the trade among all the states were appreciated.

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.