How was the Roosevelt Corollary a major change to the Monroe Doctrine

Under the article of confederation everyone had to agree so it was hard to get amendments passed true or false

Why was the taiping rebellion significant

Me ! which of the following statements describes how the punic wars contributed to the development of the roman empire? a)they allowed the romans to focus more on expanding into the western mediterranean. b)they resulted in the overthrow of the roman republic and establishment of the empire. c)they marked the end of roman expansion in the mediterranean region. d) they forced the romans to reorganize their government with an emperor as ruler.