What was the last effort to prevent the south from seceding?

The Crittenden Compromise introduced by  senator John Crittenden on 12th December 1860 was the last effort to prevent the secession of the South. It was aimed to resolve the secession crises by political negotiations ; allowing the existence of slavery in southern slave  states and to re-establish the Missouri Compromise Line.The proposal failed to get the required approval because many southern states already began to secede and so did not vote on it.

using the map image above, answer a, b, and c. a. briefly explain the historical context of this map image.b. briefly explain one economic or social development in the period 1607–1754 that could be used to explain what the cartographer (mapmaker) shows in the map image. c. briefly explain one social development in the period 1607–1754 that could be used to explain the distinctions shown in the map image.your responses: a.during this time period the colonies had recently been formed by the british. the colonies were grouped into three sections based on common beliefs, lively hood, and how they interacted. the new england colonies had passed the mayflower compact and they focused on trade, shipbuilding, and fishing. the middle colonies had purchased land from the native americans and dealt mostly with the export of wheat, banking, and shipping.

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studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.