Both describe how ones actions will affect people around them :)
Omg I’m learning about this in school just today but you could read this here an image
Dr. King's leadership contributed to the overall success of the civil rights movement in the mid-1900s and continues to impact civil rights movements in the present. While King and other leaders generated momentous strides for equality, the push for civil rights remains a preeminent challenge today.
I can say maybe either trade or language. I lean more on trade because majority of native Americans didn’t speak the same language as the Europeans.