Answer:
New innovative ways to build the ships and keep people safe
Explanation:
^^
Why dont you sound them out first. I sounded all of them out and only C.Their sounded right.
Their-Referring to a person usually
There-Place
Coal helped with the steam engine. Without the steam engine there would be no Industrial revolution. The flat lands also helped to build factories
The third one , A new class of wealthy
A. The us had close ties to great Britain
B. Sinking of the Lusotania
E. The US was tired of their allies losing
F. No longer Europes’s war