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.

they usually pass federal laws

and sometimes in the elections of the president

the answer is option b.

explanation:

they could veto laws. this announcement does not portray the individuals from the roman senate since the praetor urban was the one that could veto laws. the power or right vested in one part of an administration to drop or put off the choices, institutions, and so on., of another branch, particularly the privilege of a president, representative, or other ceo to dismiss bills gone by the lawmaking body.