Which series follows the correct timeline for satellites and spacecrafts being launched during the space race?
A. Sputnik, Vostok 1, Mercury Capsule Freedom 7
OB.
Vostok 1, Vostok 2, Mercury Capsule Friendship 7
OC. Sputnik, Challenger, Vostok 6
OD. Apollo, Sputnik, Vostok 1
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