I will defend. The threat of nuclear war was very real during the Cold War. No expense could be spared in preventing this.
"Guns" were not an African good traded in exchange for European goods, since Africa did not have the factories need to assemble the guns, which were instead made in Europe.
True, <span>Mexico invited American settlers to settle in Texas</span>
It was the Mayans who built an ancient civilization, in what is now Mexico and Central America. They had an incredibly advanced civilization but were overcome by European settlers.