According to the video, what was a recurring problem in the Roman Republic before Augustus came to power?

Military strongmen would emerge, fight civil wars, and become dictators.

Mark Anthony and Augustus initially worked together. What event led to their eventual conflict?

Anthony's marriage to Cleopatra and Augustus's use of anti-Roman sentiment against him.

Maintaining control over the Senate and preventing succession crises.

I can describe the key features of Ancient Rome.

1
The founding of Rome is traced back to the legend of Troy and a Trojan hero named Anias.
2
Augustus turned chaos back into order, quote unquote, returned power to the Senate, actually made himself an emperor, and then ruled in peace for like 40 years.
3
The five good emperors just picked a guy in their administration who was good at doing work, adopted him, and made him their heir.