How did the democratic party support the interests of the south’s slaveholding elite?

The Democratic Party repeatedly attempted to work its way around laws in place by Republican leaders that would've allowed slaves to be free. It also advocated in favor of southern slaveholders in arguments for which states introduced in America would be allowed to have slaves. Hope this helped!

The UN and its member nations  failed Rawnda in 1994 after ignoring an evidence of a genocide attack. They refused to act when it was already happening, abandoning the the Rwandan people which were truly against organization's purpose.

I hope I was able to answer your question. Have a good day.