Due to limited farming land many residents emigrated abroad seeking job opportunities generally as construction craftsmen and masons. Initially, emigration was limited to the neighboring European countries, but starting from the 19th century, The United States and Argentina were the main destinations.
The text describes a historical trend of people leaving their home region due to limited farming land, seeking work as construction workers and masons.  Initially, they went to nearby European countries, but later in history, the United States and Argentina became more popular destinations for them.