Among the immigrants, the largest occupation group are the Laborers. During the 1800's, a lot of factories and mines were in operation. Immigrants did not have the set of skills and knowledge to enter into certain jobs. Laborer jobs did not require much skill and knowledge and so it was easy for immigrants to get the job.
The Munich agreement
The Munich agreement was a settlement permitting Nazi Germany's annexation of portions of Czechoslovakia along the country's borders mainly inhabited by German speakers, for which a new territorial designation "Sudetenland" was coined.
I'm pretty sure the answer is yes.
Northern lawmakers were hesitant to go to war with Mexico because in the North people began to question the system as they increasingly viewed it as immoral and believed that it was wrong for person to enslave another. By starting a war with Mexico, they believe that the new territories would create more slave states and perpetuate the system further. Aside from that, President James Polk also wanted to acquire the territories of California, New Mexico and Oregon. Eventually war broke out when American troops to the Rio Grande and Nueces River regard as disputed territories.