The answer is 2, because they introduce his doings similarly, by using "And" and "A".
The point of view was first person
They express complete thought
When the author said "the cause of America" is "the
cause of all mankind, he is refereeing o the worldwide plight of people under oppressive
government and all of those individuals are struggling against them, the
struggle for the cause of America is a symbolic statement for the struggle for
the cause of humanity worldwide wherever the same kind of circumstances are
found.