What problems did people in the past face?

What is co-orientation? Should i stay home from school? What is a non point source pollution and what is an example? What is the word for wise and careful use of resources? Do they allow aliens passport? If tapley inc borrows 500000 on a 10 add on basis payable over 3 years in 36 equal end of month installments how large would the monthly payments be? How do you drop the water table? How did the euthanasia end? Merits and demerits of corporate social responsibility? How does the history of rockets affect the environment? Does soot refer to particles that give smoke it's dark color? What are the Pros and cons of Withholding food and fluids from terminally ill patients? How do I sponsor my parents to the US? Is Kimber James a girl? How did Rosa Parks contribute to the civil rights movement? What is a societal problems? Does deforestation happen in rural areas? Is clay a nonrenewable resource or a renewable resource? What are essential qualification for police si? Why is allentown economically depressed?