Something such as a state or even a community.
It wasn't until 2012 that Feely and a team from Oregon State University finally showed with certainty that acidification had caused the problem.
Answer:
a union of sovereign states
Explanation:
Mecca and Medina at the start of the 7th century
The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.
It’s on google
