Match these items. Match the items in the left column to the items in the right column. 1. abstraction
a triangular curved surface between two arches and beneath a dome
2. arcade
a line of arches and their supporting columns
3. crusaders
a recess in a wall meant to house a statue
4. niche
a concept that is open to many interpretations due to its lack of specific or concrete information
5. pendentives

i believe the correct answer is option b. most eastern european nations joined nato.

though i could be wrong, option d. the eastern european nations were granted complete independence, would be another choice.

hope this ! : )

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.