The correct answer is A) building shelters.
The pioneers’ first priority was building shelters.
Life was difficult for pioneers who decided to leave their former lands and travel to the west in the time if US history called "the westward expansion." The Oregon Trail was also a difficult road to cross. Many people could complete it. Hunger was a major issue.
Pioneers had to build their shelters to endure climate conditions, clear the land for farming. However, the opportunity to have their own portion of land motivated many farjmers, former slaves, and immigrants.
Answer:
cualquiera de los diversos sistemas de pensamiento en los que se considera que los objetos de conocimiento dependen de alguna manera de la actividad de la mente.
The invention of the telegraph. Hope this helps.
The southern region (the Balkans) was influenced by the Byzantine and Ottoman empires. The north was influenced by Western Europe, and the east was most influenced by Russia.
