What is a common feature of Gothic cathedrals?
O Doric columns
O minarets
West façade of Notre Dame
Cathedral Paris
O pointed arches
o post-and-lintel supports

Gothic architecture focused on height and light, despite being constructed from heavy stone, Gothic cathedrals seem to defy the laws of gravity. Common traits include pointed arches, ribbed vaults, and flying buttresses, all of which enabled the structures to be built taller and stronger.

battle of saint-mihiel, (12–16 september 1918), allied victory and the first u.s.-led offensive in world war i. the allied attack against the saint-mihiel salient provided the americans with an opportunity to use their forces on the western front en masse.

explanation:

a. competition with other nations.