Middle question. answer it pls !

Answer quickly! correct answers only! how did an agricultural surplus relate to expanded trade during the high middle ages? a)trade increased because surplus crops could be traded. b)trade decreased because surplus crops were needed to feed local populations. c)trade decreased because surplus crops led to an oversupply of grains that could not be sold. d)trade increased regionally but decreased globally because trade networks had shrunk.

Researchers have found that it takes to view a mental image that is larger or covers more distance than a smaller or more compact one.

What specific words do you hear in dr. king’s speech that are powerful