Answer: Life is difficult because humans things that we must do takes time and effort to do them and to get them done, the other reason is that because that that is hard is because we need an intellectual challenge so we can learn and get things done.
I think I may be a little bit off on this. Okay WAY off but please don't report me if this IS wrong.
Answer: The Great Depression was a hard time in US history because lots of people didn’t have enough money.
Explanation: The Great Depression was bad because people were really poor and didn’t work. The Great Depression was a difficult economic period because many didn’t have jobs.
I believe the answer is: Ethnocentricity.
ethnocentricity refers to the act of seeing our own culture as inherently superior compared to another culture. This often make people seeing the norms or tradition that exist in other culture by using our own as a standard. The more their culture deviate from ours, the more inferior we think their culture to be.