2. Think of a matrix A and B which are both 3x3 matrices. Do not use all zeros or all 1's!
3. Multiply A XB and record the result.
4. Multiply BX A and record the result.

stops on an even number.

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction