Abraham Lincoln
When you say "who", we're not sure whether you're asking about the first person, the first successful launch, or the first nation. I'll address the question of the first person, and leave the other possibilities for other contributors. As far as has been announced and is known to the public, no nation has ever launched a manned mission to Mars yet, and no person has ever landed there.
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Uri gagarin
Yuri Gagarin,
No goofy that was in the 1800's
General George Meade.
Robert E. Lee.
The Sublime Paralytic and Brains of the Revolution is only one person and this person is Apolinario Mabini
Edward Everett was the person who wrote and delivered the opening oration and dedication for the Soldiers National Cemetery in Gettysburg, Pennsylvania on the 19th November, 1863.Of cause, while , secondary to other presentations that day, Abraham Lincoln's carefully crafted Gettysburg Address was also given on the day and it is his masterpiece that marks Gettysburg in history.
As you know, noun doesn't work. It will work if it was adjective.Let me guess, hmm.Answer:One person
The stronger person or nation is exploiting the weaker one. They are taking over just because the weaker nation is not able to defend itself.