Answer:
it’s
a.) they built an observatory
Explanation:
just took the test and got 100
Answer:
because they wanted to use it
Explanation:
ha sorry
Wasn't it the phillipines or guam?
Answer:
HIII!
Explanation:
I know that railroads were HUGE in the 19th century. A lot of manufacturing as well. The only thing I know FOR SURE is railroads.