The same thing will happen to the dollar that is now happening to all other currencies that are now devalued against the dollar
If the US dollar ceases to be the world's reserve currency, this will lead to a total collapse and collapse of the US economy, which is not far from the collapse of the country.

Why is the status of the world reserve currency so important for the United States? This allows them to print dollars almost uncontrollably – if it causes currency devaluation in other powers, then everything is OK. Every time a state or a person buys a dollar, he takes on part of the US government debt.
Challenging the dollar is the main fear of the United States.
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On the delivery of people and cargo into space
The construction of a Martian colony will require 1 million tons of cargo. It is this reserve that will make it possible to create a self-sufficient colony on the Red Planet. And space is not limited to Mars alone.

If in the future it is possible to reduce the cost of delivering goods to space, the idea of creating permanent colonies on the planets will turn out to be quite realistic.
Elon Musk: Starship will reduce the cost of delivering goods into space dozens of times - up to $ 100 per kilogram and even lower
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Because of the recession, because of the expectation of quick victories, because of ambitions
Sometimes war is used to distract from internal problems. The struggle for resources (oil, gas, water, rare metals) intensifies. This is especially noticeable in regions with unstable politics. Very often wars begin when a country's leadership believes that victory will be quick and cheap. For example, Russia-Ukraine. Sometimes countries start a war when they believe the international situation is favorable to them. Like the USA-Iran or USA-Venezuela. Regional conflicts and escalation. Like India-Pakistan, Israel-Gaza Strip, Cambodian-Thai conflict, Afghan-Pakistani war.

After the end of the Cold War in 1991, the world became less predictable. Previously, two superpowers — the United States of America and the Soviet Union — restrained each other. Now several centers of power are emerging: China, Russia, the USA, regional powers like Iran and Turkey. When forces are distributed among many players, there are usually more conflicts.
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Judging by the spectral analysis of some celestial bodies - nickel and iron
Class C asteroids. Color: grayish. They consist of carbon and a number of other substances, including silicon. This is the most common type, which includes about 75% of all asteroids.Asteroids of the S class. Color: greenish or reddish. They consist of silicon, nickel and iron. The second most common type includes about 17% of all asteroids.Asteroids of the M class. Color: reddish. They consist of nickel and iron.

It is planned to first mine metals on asteroids, and then start mining on planets
Storerooms of metals on asteroids: how do they want to master mining in space
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