Coming out of the Constitutional Convention, which unresolved issue would have the greatest impact on later American history?the method of electing senatorsvoting rightsrepresentation in Congressslavery

The unresolved issue coming out of the Constitutional Convention that would have the greatest impact on later American history was slavery.

Here's why:

1. The Constitutional Convention took place in 1787, and at this time, slavery was a deeply entrenched institution, particularly in the Southern states. The framers of the Constitution struggled with how to address this issue, ultimately deciding on a series of compromises that allowed the institution to continue.

2. These compromises included the Three-Fifths Compromise, which counted enslaved people as three-fifths of a person for the purposes of representation and taxation, and the Fugitive Slave Clause, which required escaped slaves to be returned to their owners.

3. However, these compromises did not resolve the fundamental issue of slavery, and tensions between the North and South over this issue continued to grow in the following decades.

4. This culminated in the Civil War, which was fought largely over the issue of slavery and resulted in the deaths of over 600,000 Americans.

5. Even after the Civil War and the abolition of slavery, the legacy of this institution continued to have a profound impact on American history, contributing to ongoing racial discrimination and inequality.

Therefore, while the other issues you mentioned - the method of electing senators, voting rights, and representation in Congress - were also important and had significant impacts on American history, it is the issue of slavery that had the most profound and lasting impact.