For the political cartoon "andrew johnson kicking freedmen's bureau", who was the intended audience when this was created? why?

The political cartoon "Andrew Johnson Kicking Freedmen's Bureau:

The intended audience was the citizens of the United States, who the cartoonist believed should know that the President's action of vetoing the Freedmen's Bureau was nothing else but the contempt of the African Americans' rights.

The cartoonist wanted to spark sympathy in the minds of the citizens for African Americans.  The exercise of veto by President Andrew Johnson in order to cease the establishment of the Freedmen's Bureau was looked at as a move catalyzing the idea of racial discrimination.

It attracted criticism from all over the United States and was exhibited through various mediums. The cartoon which showed the then president kicking the Freedmen's Bureau gained popularity shortly and was successful in generating sympathy for African Americans from all the classes of society.

a.) are both appointed for life

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