Who helped Lincoln to study what was his father idea on it

Which sentence best represents the thesis of this article? a they challenge us to consider whether we can trust what we are seeing. b optical illusions may seem mysterious, but they are not unexplainable. c through science, we can learn how optical illusions work. d let’s take a look at three common optical illusions and explore the science behind each one.

Articles of the confederation is a good representation of a system of government.

What is the contribution of women in making the family and in the nation?