The correct answer to this open question is the following.
Unfortunately, you forgot to attach the "event bank that helped African Americans achieve full citizenship."
So we do not know what is its content, just you.
However, trying to help you we can say the following,
Events in the history of African American citizenship.
-The Emancipation Proclamation of 1863.
-The signing of the 13th Amendment to the United States Constitution (1864). It abolished slavery in US territory.
-The signing of the 14th Amendment to the United States Constitution (1868). It gave US citizenship to all individuals born and naturalized in US territory, including former slaves.
-The signing of the 15th Amendment to the United States Constitution. This amendment prevented the states of the Union to deny the right to vote for race or color of skin.
-African Americans were allowed to participate in political activities.
-Black people were allowed to own property.