Why did the Mexican cession (the Guadalupe Hidalgo treaty) result in renewed sectional tension about the Missouri Compromise? I need 2 sentences, please

When something is moving, it is in motion. pressing the gas pedal in a car will put the car in motion. two important properties of motion are speed and direction. speed is how fast an object is moving. tony and tanya both run for the same amount of time, in the same direction. tanya runs much further than tony in that time. how does tony's speed compare to tanya's speed? a) their speed is equal. b) tony is slower than tanya. c) tony is faster than tanya. d) without a stopwatch, you can't say for certain.

Reasoning based on the ease with which we can bring something to mind involves the use of the heuristic

What important race leader of the early twentieth century is being described?