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slaves is a person who is the legal property of another and is forced to obey them. Due to Union measures such as the Confiscation Acts and the Emancipation Proclamation in 1863, the war effectively ended slavery in most places. Following the Union victory, the institution was banned in the whole territory of the United States upon the ratification of the Thirteenth Amendment in December 1865. But president lincoln ended it
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To help the unemployed find work, by creating jobs.
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A mixed economy will have government planning and intervention.
Explanation:
Since mixed economies combine free market and controlled economies, the mixed economy system will have some government involvement.
The role the government plays in the mixed economy is to plan and intervene.
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It was used to find enemy planes and ships
Explanation:
This revolutionary new technology of radio-based detection and tracking was used by both the Allies and Axis powers in World War II, which had evolved independently in a number of nations during the mid 1930s. At the outbreak of war in September 1939, both Great Britain and Germany had functioning radar systems.
Radar could pick up incoming enemy aircraft at a range of 80 miles and played a crucial role in the Battle of Britain by giving air defences early warning of German attacks. The CH stations were huge, static installations with steel transmitter masts over 100 metres high.
It has been said that radar won the war for the Allies in World War II. While that's an overstatement, it is true that radar had a huge impact on how World War II was fought on both sides. ... Radar works by sending out radio waves and detecting any reflections from distant objects.