Positive effect is the usage of more land whereas negative effects is the control problem of that land.
<h3>Effects of settling the west</h3>
The positive effect of settling the west is that it provides America more land to use and its resources for the betterment of the economy while on the other hand, the negative effect of setting the west is that it was more land to control for the United States as well as the United States had to fight 2 wars to gain the territory.
<h3>Effects of railroads on the physical environment</h3>
The main disturbances caused by railways are air, soil and water pollution and noise which adversely affect species and organisms present in that environment.
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1) democracy
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The result of the Islamic golden age , was an era of stunning, intellectual and cultural achievements.
The Wright brothers patent war centers on the patent they received for their method of an airplane's flight control. The Wright brothers were two Americans who are widely credited with inventing and building the world's first flyable airplane and making the first controlled, powered and sustained heavier-than-air human flight on December 17, 1903.[1][2][3]
Maquiladoras are "assembly-for-export factories along the Mexican border." In Spanish, "máquina" means "machine," so we can think that "maquiladora" (which sounds similar) has to do with making machines, or that the maquiladora itself is run like a machine, since the employees often work in assembly lines. Another word for "maquiladora" is "maquila," which further bolsters this word association to "máquina."
