Man-made global warming is caused by

Gases. The pollution comes from cars, engines, factories, fires, smoke (cigarette or other drugs that produce smoke), etc. All of these are man-made global warming causes.

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11