Answer:
C
Explanation:
Roman engineers improved upon older ideas and inventions to introduce a great number of innovations. They developed materials and techniques that revolutionized bridge and aqueducts' construction, perfected ancient weapons and developed new ones, while inventing machines that harnessed the power of water.
Answer:the state of being a serf or feudal laborer.
Explanation:thats what serfom means ^
Answer: it should be the British
D) Manufactures knew their companies would become less profitable
