Answer:
Policy that agreed by two European countries Spain & Portugal to clear up the confusion on newly claimed land in the new era.
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The parallel 36°30′ then forms the rest of the boundary between Missouri and Arkansas. The Missouri Compromise of 1820 established the latitude 36°30′ as the northern limit for slavery to be legal in the territories of the west.
They go to different places in different states. Lancaster Turnpike was once a privately owned road with tolls. It isn't now.
