Answer: B. Internet connection speed
Internet speeds vary for many reasons and they won't have an impact on whether a source is credible or not. Instead, you should look at the domain name, the website name, the author, etc to check credibility. You should also get as many sources as you can to back up a claim.
Answer:
Splitting the Roman empire into two parts however did not work. Rome was now easily attacked by military invaders. Rome also could not fight well. They had to hire mercenaries to fight for them. This was not the best plan because mercenaries are not always loyal to the country that they are fighting for. Rome also faced political turmoil. The government was now very oppressive which lost them the support of the Roman people. Rome also faced economic weakness, due to very high taxes. Rome also relied more heavily on slaves not the technology that they had developed and used before. The final problem that faced Rome was the social decay. Romans no longer held the key values of the Roman culture like patriotism, discipline, and devotion to duty and the upper class was too dedicated to luxury and prestige.
I’m assuming you’re talking about the Spaniards and the Aztecs. If not correct me and I’ll fix the answer. Basically it was, Disease (smallpox) More advanced weapons. The spanish language. Catholicism. Domestic animals, sugar, grain, and they helped end the practice of human sacrifice.