As a result of the crimean war, russia
won exclusive trading rights with crimea.
decided to end its involvement in the middle east.
formed a powerful alliance with france and britain.
realized it needed to build up its military.

As a result of the Crimean War, Russia realized it needed to build up its military.( last choice)

no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so. 

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.