Paragraph: long ago, building a Wall was much harder to do. People had a fewer supplies. They had fewer tools. They had to make a wall that would be strong and would last a long time .
Whats the main idea ?
Detail 1 why you think that is your answer.
Detail 2 why you think that is your answer.
M.I- Building walls was hard to do long ago. D1- I know becuase It states that in the 1st sentance of the paragraph. D2- I know because the tools we have now have not yet been invented.