Answer:
Details are explained below
Explanation:
The Nigerian armed forces undermined the stability of the Nigerian state between 1960 and 1999 in the following ways:
Since 1999 when Nigeria returned to democratic rule, the commander in chief of the armed forces as stipulated by the 1999 constitution is the president, and the presidents since then are: Obasanjo, Yar'Adua, Goodluck Jonathan, and Muhammadu Buhari.
The Nigerian armed forces have been used to strengthen the stability of the Nigerian state since 1999 in the following ways: