During debates about slavery at the constitutional convention, delegates from southern states wanted

You have to remember that in the north they didn't have farms or any real use for slaves the population in the north did not include many slaves.However,in the south they used slaves for their farm work.Almost every person who lived in the south owned slaves.So,the delegates from the southern states wanted the slaves to count as their population so they could get more members in  the House of Representatives.

I hope this helps you didn't give any answers for me to chose from.

travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse