Answer:
The major theme of the fair was to show that the United States was leading the realms of science and space. The US Government was really interested in demonstrating the nation's scientific prowess to the world, and so committed over $9 million to the fair, chiefly to build the NASA-themed United States Science Exhibit .
Another theme is to bring order to exposition scheduling and to make clear the rights and responsibilities of the host city and participants.Approximately 10 million people attended this fair and The Century Twenty One made a profit as well.
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In Mesopotamia, Sumerians were the first ones to use the 1. Plow.
<h3>What did Sumerians do?</h3>
Sumerians were excellent at arts and crafts and were especially knowledgeable in the use of copper.
This allowed them to be the first to come up with the plow which made farming much more easier.
Find out more on the Sumerian civilization at brainly.com/question/10572045.
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Monarchy is the oldest form of government in the United Kingdom. In a monarchy, a king or queen is Head of State. The British Monarchy is known as a constitutional monarchy. This means that, while The Sovereign is Head of State, the ability to make and pass legislation resides with an elected Parliament.
A monarchy is a kind of government where a monarch, a kind of hereditary ruler (someone who inherits their office), is the head of state. Monarchs usually rule until they die or pass down (when a monarch resigns it is called abdication). Most monarchies are hereditary, but some are elected.
The answer is C. Families
The similarity between all of them is that they all happened sometime in the 1920s.
