What were some of the major problems that rome faced in the 3rd ce?

Some of the major problem that the Roman Empire faced during the 3rd century ere invasion, civil war, economic depression, and plague.  Because of these major problems, the Roman Empire nearly collapsed. The crisis that the empire experience started when Emperor Severus Alexander were assassinated by his own troops.

a.  

women in ancient egypt had many legal rights, including the right to own property and businesses.

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.