What is the MAIN reason early spaceflight missions were unmanned​

go up to your profile picture in the top right hand. click on it. then click on edit profile. there you shall see delete account

sitting in that one chair where he could get shot at was his worst decision.

living during the great depression had a major affect on the mentality many people. a good portion of people who lived during that time do not trust banks. this is likely the result of the many widespread bank failures in the 30s that caused people to lose their life savings.