Why did the new deal seek to solve the problems of the depression through public works, rather than the dole (unemployment benefits)?

Need on these last 2 questions on my social studies homework 5 and 6 then i’m done with the homework

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u.s. citizens need to protect in order to preserve the democratic political system and the american way of life.

What event ultimately started world war 2 and ended britain and frances attempt to prevent war?