Assuming you mean in America, here is the answer:
During this time period America was industrializing. The immigrants wanted to be in a country that was industrialized. America was the second country to do this, after Britain. The countries the immigrants came from weren't industrialized yet so they wanted to come here.
independent and achieve unity
Ireland and Germany
unconvincing and confrontational
one event was the industrial revolution
Famine :3
in 1830s and 1840s
The 1830s and 1840s was a time a struggle for Italian nationalism. The nationalist had a goal of uniting the country against socialism.
Migration began to increase.
The reason was rapid immigration of people from other countries. For good reason, it is often said the United States is a nation of immigrants. Almost every person in the United States is descended from someone who arrived from another country. This article discusses immigration to the United States from colonial times to the present. Immigration was relatively small until the 1840s when it rose substantially. The volume passed 200,000 for the first time in 1847 and the period between 1847 and 1854 saw the highest rate of immigration in U.S. history.
The rapid population growth in the 1830s and 1840s was primarily due to a combination of high birth rates and increased immigration, particularly from Europe. Many people were fleeing economic hardship, political unrest, and famine, notably the Irish Potato Famine, which led to a surge of Irish immigrants. Additionally, advancements in medicine and public health helped reduce mortality rates, further contributing to population growth during this period.
Daniel Webster
The Age of Jackson.
This is a Photographic system in use durring the 1830s and 1840s
The reform activism are some of the things that influenced the American culture during the 1830s and 1840s.
Railroads started in America at this time.
nativists
Northern Woman