How do the life of our ancestors differ from the way of life of the 21st century

Well, depends which period we are discussing about, but in general our ancestors didn't have technological improvements as we do today that could enable them to live easier. Also, people lived in different types of buildings, ate different food, their immune system wasn't developed, were dying at young age...

Explanation:

Technological improvements throughout history led us to what we are today.

In prehistory our ancestors lived in caves, in the open, had to fight every day to survive, to have enough resources.

In the Middle Ages average life expectancy was around 25 to 35 years. Today it goes even above 80.

We have mobile phones, computers, airplanes, our ancestors sometimes had to wait to obtain certain information even for months.

martin luther king (1929-1968) was an activist for the african american rights, mr. king has a profile of a kind leader that built a tenacity, respect and full of hope future. he was an activist through civil disobedience and no violence pressure mechanisms. he tried to build a more egalitarian and fair society. his efforts carried a reivindication message of the civilian rights to every west corners. for that reason, he won the nobel prize in 1964.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!