What advantages did Roman citizenship give and what obligations did it impose on a person?

In ancient times, when the Roman Republic still existed, the citizens of Rome were divided into two categories: Plebeians and Patricians – all the rest were considered slaves. Roman citizenship made it possible for a person to vote, have property, and the right to military service. The right to marry was also included in this category. True, at different times the rights of a citizen of Rome often changed, but in fact, the basic rights were always reserved for him. The exceptions to the rule were military service, which a citizen of Rome had to carry for 20 years, while he was forbidden to marry during this period.