In the mid to late 1800s, what was the major push factor that led to the immigration of irish to the united states?

What was gained through the gadsden purchase

Religious men who lived apart from society

Why does the eastern part of oklahoma receive more rainfall than the western part? a. it is closer to colorado. b. it is closer to the equator. c. it has a high frequency of tornadoes. d. it is closer to the gulf of mexico.