How did southern slaveholders claim that the North benefited from slavery?

According to experts for every person killed outright by a nuclear blast four more would die later from the

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?

Imagine that you are putting together a time capsule for future generations. it will be buried and then unearthed in the year 3000. you want to place in it the items you feel best document your life and times. they can be personal items or items that relate to your larger community. name six items you would include. they can be objects, writing, or something in an audio or visual format. what would you include and why? describe each item in one or two sentences mentioning what it is and how it could future generations learn about your life and times.