Which of these was an experimental type of romanesque architecture?
a. ribbed domes
b. ribbed arches
c. ribbed vaults
d. all of the above

Which of the following could be described as a conservative reaction against the ideas of the jazz age

The louisianna purchase was controversil because

Which statement about submarine use in world war i is true? the allies never found a way to counter german submarine warfare. germany’s use of submarines affected the united states’ decision to enter the war. only the germans used submarines in world war i.