B. Europe's population growth is mostly due to immigration.
The correct answer is conventions.
Every four years, members of the Democratic and Republican parties meet at conventions to announce who their candidates will be for president and vice president. The selection of these candidates are based on the results of the primaries and caucuses held during the winter months. Then, in the summer, the parties meet at their respective conventions to announce their nominees.
In factories- it was rough, everyone is on a handful of hours of sleep, they barely got paid, and when children were working in the factories, they would hurt themselves a lot.
The Boston tea party, the formation of the continental congress and boycott of British good.
