B and D??? Sorry if incorrect but its my best guess
Answer:
They would hae blackouts to prevent them from being spotted by bombers in the sky. Street lights would be turned out and people would hand blackout curtains to block the light from inside their houses
Explanation:
Answer: Gold rush
Explanation: in 1848 james w. Marshall found gold at sutters mill in coloma, California The news of gold brought approx 300,000 people to California(aka Western frontier) from The rest of the United States and abroad. Including immigrants
<span>416,800 is the correct answer</span>