Sending a military force to overthrow a communist government in another country
Answer:
Writ of habeas corpus allows people who are falsely imprisoned to fight the case. One example would be falsely accused crimes. A lot of people are in the wrong place at the wrong time and get jailed for others mistakes so it offers them a second chance to defend themselves.
Explanation:
Unrestricted submarine warfare, which became prominent in World War I, meant that submarines could sink any time of vessel at any time without warning. Before this, they had to surface first and place crews on lifeboats.