Which options support the author’s choice of using a proposition-and-support structure to develop his argument? (Select all that apply.)

Our Backyard Is 85 Million Acres

A-The proposition-and-support structure provides reasons for readers to agree with the author’s idea that we all need to take care of our national parks.

B-The proposition-and-support structure shows readers the connection between national parks and the Declaration of Independence.

C-The proposition-and-support structure informs readers about the history of national parks and the creation of the National Park Service.

D-The proposition-and-support structure illustrates for readers how national parks can instill the pride of being American in each of us.