1. Ethnicity--colonies were broken into countries with no regard to ethnic groups. These groups differed before colonization and differed more during the colonial period. Many ethnic conflicts have occurred since, some resulting in genocide.
2. It is a more common language--the colonies were taught the colonial language and trade often continued with the European country that was once their ruler. Maintaining that language for trade eased the transition and makes trade more accessible.
3. Indigenous religions--these original religions still exist but differ greatly from one another. These religions were based in the tribes and colonies were a blend of many tribes. The European religions were often more consistent.
The correct option is : Land
At the beginning of the 19th century Spain offered generous parcels of land in Las Floridas to attract settlers and they began to flow both from Spain and from the United States. The American settlers began attacking indigenous settlements that took their revenge by making incursions into US territory. The army of the United States began to cross the border with Spanish Florida to persecute the Seminoles.
War
War times make people very patriotic or nationalistic.
5 people died from the Boston Massacre.
Six were injured.