Well if you read about Anne Frank or read her diary, you notice she is very upbeat and seems to look at even unfortunate things in a bright way. She was rather young at the time so situations such as the one she was in probably didn't register as bad or unfortunate as it would in an adult's mind.
The answer would be Pollution. Pollution is an example of a negative externality, which refer to various factors that resulted from company's productivity. One of the common example of this is the air pollution , which will bring harm to the environment
Answer: In the mid 1800s, there was a lot of slavery in southern United States. Many Black people from United States escaped their masters and headed to Canada. They settled all over the country because they wanted to escape slavery. Moving to Canada was possible because of the Underground Railroad. European immigrants were the best settlers for the challenging Prairies, because of their familiarity with agriculture, rural lifestyles, and harsh climates. Economic and social situations in Europe were increasingly challenging in the mid to late 1800s.