What was a major push factor that increased immigration to the United States between 1830 and 1850?

Gold rush.

Explanation: Although there were also many other factors, the gold rush was the most likely one. Hundreds of thousands of immigrants from around the world flocked to the United States in search of fortune.

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

it's a secular holiday. it is and was a custom developed to recognize the ending of a time and a wish for a good future. the kind of kiss you exchange, if you are single, is intended to predict what kind of year you will have in the coming year.

it is saying good bye to the last year with all its ups and downs, and hello to the new year, with all its hopes and dreams.