Why might a person be forced to use trial and error?

Can you Describe briefly what is meant by the statement the 'welfare of the child is paramount'? The federal income tax accounts for nearly 50percent of all federal tax revenues? Explain article 3 section 12 of the Philippine Constitution? Who is the legal next of kin to my mother? Can a credit card company put a lien against your property in Florida? Can you be executor and power of attorny in the same will? Does the standard that applies to reasonable person apply to seniors? What is an example of a humanitarian goal of the UN? Does child support payments guarantee visitation? What is one example of checks and balances found in article 2? Where can you file your taxes for free? In the state of Maryland how can you find out if a person filed for Chapter 7 bankruptcy 20 years ago? Can you sue for retaliation at work? Can you be diciplined for being drunk after working hours? Why does the senate have fewer committees than the House of Representatives? What does the term "compact cars only" signify in the context of vehicle size and classification? Can you go see an inmate in jail with a bench warrant? How much is a ticket for going 51 in 35 mph zone in Ohio im 17 and male? When doing a criminal background check for employment do they check all states? How can i fix cracked patent shoes?