Answer:
George Westinghouse invented the first air brake
When he feels like it
"i will come as a thief in the night"
The english word slave comes from the Old French Sclave, from the Byzantine Greek, which, in turn, comes from the ethnonym Slav, because I’m some early Medieval wars many Slavs were captured and enslaved
Answer:
I believe it's D). attacking and conquering its neighbors.
Answer:
they help generate wealth
Explanation: