Answer:
What was a result of rail standardization? Railways were able to transport meat without spoilage. Trains provided cars with pull-down beds for overnight travel. Trains from different rail lines could use each other’s tracks.
Explanation
Dr. Martin Luther King, Jr. was an essential voice in the civil rights movement because he advocated for peaceful, yet powerful protests that would bring attention to the cause. He was also an incredibly powerful speaker who captivated his listeners.
Answer:
Digestive system and Skeleton system.
