Sentence questions. Thank you.

Hi 

I made some sentences, but I am not sure whether they are right or not.

If you find something wrong in Grammar or vocabulary, help me check them.

Thank you very much.

1.Although today’s world is more complicated than before, historical events 
or past experiences still can teach people crucial lessons, give people proper 
way to follow, and impart precious knowledge to people.
 
 
2. Monk Tui yei, the founder of Tzu Chi Foundation, is greatly influenced by 
two great people who put much emphasis on humanitarianism. One is Schweitzer 
awarded the Nobel Prize in peace. The other is Confucius: one of the greatest thinkers.   
 
 
3. The Chinese Cultural Revolution brought about the long dark period during 
which the number of illiterates climbed, economic growth stagnated, political 
condition worsened. These grave consequences guide Chinese government to 
carry widespread education out, stimulate economic development, avoid political conflict.
 
 
 4.That Hitler triggered World War two and authorized German soldiers 
to murder six million Jews told human beings that the significance of a peaceful 
and prosperous world.