Why did stronger nations take over weaker nations?

Imperialism occurs when a strong nation takes over a weaker nation or region and dominates its economic, political, and cultural life. ... The western countries sought to expand their economies by obtaining raw materials from the colonies which could be transported back to factories and are turned into manufactured goods.

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which sentences ? that question is incomplete

there are indirect ways of affecting state laws   by with holding funding's. and that's why we have a 55mph speed on the high way with a design of 70mph speed.