Explain the differences between a constitutional government and an autocratic or dictatorial government?

Constitutional governments have limits on their powers, while an autocratic or dictatorial government does not have limits on their power, either because they aren't given limits in the constitution (if there is one), or there are limits, but they are ignored.

Tanks were first used toward the end of World War I, but in a limited way and mostly for close support of infantry. ... who fought for the Union during the Civil War

True or False based on this hope it helped

Explanation: