Please help I finding the arc length of NO before 9:59

Why was russia drawn into a conflict with germany after ausria-hungary declared war on serbia ?

N1947, the united nations create a country

The establishment of columbia as the state capital was important because a) it was located in the heart of the upcountry. b) it was located in the heart of the low-country. c) it was already established as a vital industrial center. d) it represented a compromise location central to most citizens.