Mark the statement if it correctly describes the beginning of the decline of the roman empire

I just took the test! :D

*Incompetent rulers place huge tax burdens on the Roman citizens. (Correct!) |^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|

*The soldiers hired on the the frontiers were not willing to go defend other parts of the empire. (Correct!) <

*Soldiers in the outer parts of the Roman Empire often supported local commanders instead of the emperor. (Correct!) <

*Regardless of the strength of the emperors, the Roman army was unable to hold back barbarian invasions from the south and west. (INCORRECT!!!)

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.