Answer:
A light bulb??
Explanation:
Not 100% sure but I think this could be the answer. A light bulb has the ability to fill the room with light yet is still small enough to fit in someone's pocket
<span>in 1931 Japanese military commanders invaded Manchuria.
Japan barely had any precious natural resource and heavily relied on other countries to fulfill its quota. Japanese military invaded Manchuria in 1931 in order to control the natural resources that exist in Manchuria</span>
Vietnam War is definitely one I'm not sure about the other two though
Answer: Canals, stagecoaches, and railroads made it possible for thousands of people to settle the West. Securing the land often meant defending the chosen spot against Indian attack; advances in gun design swayed the battles in favor of the white settlers.
Explanation: