What was unusual about Antonius Pius’s placement as emperor after Hadrian

Brainliestttme : ) how are developed nations and developing nations similar? both have membership in multinational groups. both experience high death rates. both experience low infant mortality rates. both have high per capita income.

List three reasons why explorers began to explore new, and old areas. [[ps: doesn't explicitly say where. i think it's more in general.

Which of these was one of the most important aspects of washington's presidency a. he did not consider how his actions would affect later presidents b. he came to believe that political parties would be good for the country. c. he insisted that congress make specific rules about the duties of the president d. he did not take advantage of the opportunity to keep the power the country offered him.