Which was first lunched during the space race

What factor aided the russians in defeating napoleon's troops?

Which of the following resulted from asoka's rule of the mauryan empire? a. the empire gained control over india's southern trade routes. b. an order of secret police was developed to spy on people. c.alexander the great's troops left india. d. india experienced political unrest for many years.

Louisiana purchase timeline can someone give me the answers, it's due tomorrow.