Economic interest, resources, territory
There may be other reasons, but whatever they may be, there is always an economic interest in all wars, even if the parties to the conflict talk about other, more noble reasons.

Throughout history, there have been wars on the territory of different states, but at the moment the development of technology has reached such a level that war leads to the largest human and economic losses in history.
8 main causes of war
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There will be a truce for a few years, and then the war will start again
A peace treaty will be signed with Ukraine with the renunciation of territories and other negative consequences for Ukraine. Ukraine will unite with Poland and the war will break out according to a new one, because Poland did not sign any treaties. The territory of Ukraine will be restored at the expense of frozen Russian assets. NATO will increase its reliance on U.S. support, as will the concerned, threatened Eastern European countries that find themselves frontline states along an expanded and uncertain line of contact with Russia, including Belarus and Russian-controlled parts of Ukraine.

Sanctions will not be lifted
POLAND IS PREPARING ITS REFERENDUM IN WESTERN UKRAINE
What if Russia wins?
Putin on the possibility of concluding a peace treaty with Ukraine: our goodwill is known
The Kremlin opposed the restoration of Ukraine at the expense of Russia's gold reserves
Named the amount of restoration of Ukraine with the help of Russia
Accuracy 50
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No, 51% is more than half, but it's not an absolute 3/4 majority.
Democracy is essentially an oligarchy (aristocracy). If earlier the aristocracy around the world made decisions without the participation of the masses (until the beginning of the twentieth century - if citizens had the right to vote, it was only on property, race and other parameters), now, thanks to political technologies, the same thing is happening, only on the basis of manipulation of the capital of the masses. In addition, no one teaches political literacy, and therefore the politically illiterate population chooses someone from the appointees of the elite by unfair voting.

Only elites participate in the parliamentary process. Citizens of the state are allowed to vote for their chosen candidate, but ordinary people cannot participate in elections. In the end, only the ruling elite decides the various interests of the population of the state.
What types of democracy are there?
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Yes, the United States believes that it must avenge the attack on the American base
Biden is in no hurry to issue a decree on an attack on Iranian facilities, but he is being pushed to war, there have already been 2 attacks on American bases.

For Americans, the consequences will be negative in the medium and long term. Iran can arrange for the United States to lose all energy supplies from the Middle East on the eve of the elections. Tehran has repeatedly blocked the Strait of Hormuz — and tankers loaded with Iraqi, Kuwaiti, and Saudi oil could not leave the Persian Gulf zone. And the Houthis continue to target shipping in the Bab el-Mandep Strait.
Now it's not up to Ukraine: How the US can get bogged down in a war with Iran
Iran has warned the United States: We will respond decisively to any attack
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