What other information can be assumed?

Nationalism led to major conflicts following world war i, especially when:

The most important units of the english armies which fought during the hindred years war were composed of

Which answer best describes the u.s. national road? it ran from atlanta to baltimore and followed the railroad. it ran from new york to chicago and was made from wooden planks. it ran from massachusetts to ohio and ran parallel to the canal system. it ran from maryland to illinois and was made using macadam construction.