What was the Agreement that created a line across the land of the Louisiana Purchase; new states north (with one exception) of the line = free, south = slave

Missouri Compromise.

Explanation:

The Missouri Compromise succeeded in blocking slavery in all new states that was formed from the Louisiana territory. The Missouri Compromise was created in order to maintain balance between slave and non-slave states. With this agreement, the country was divided equally between slave and free states. Missouri is considered as a slave state that gave the south one more state than the north so considering Maine as a free state balanced things again.

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest

he is known for discovering   the fossil of a female hominin australopithecine   known as "lucy" in the afar triangle region of hadar, ethiopia.

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