Today, migration is one of the main sources of new workers in the United States. Indeed, millions of migrants come to the nation with the objective of joining a competitive labor market, with job opportunities and real possibilities for social and economic progress.
Therefore, migrants form a large percentage of the GDP of the United States, as soon as they enter the country they begin to enter the labor market. Indeed, the percentage of immigrants who have jobs in a dependency relationship is higher than the number of Americans in this situation, given that the latter, in many cases, are self-employed.
He was upset because Renee was supposed to do the heavy (yell and scream at Bella for making bad choices) but doesn't. So Charlie went moping around till the wedding came so technically he was upset that Renee hadn't rat Bella out.