How did the work of samuel morse advance in photography combine to turn the civil war into a modern war

The telegrapgh (Samuel Morse's invention) and the advances in photography were both important to help turn the civil war into a modern war for two main reasons:

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.