Прочитайте текст и заполните пропуски A–F частями предложений, обозначенными цифрами 1–7. Одна из частей в списке 1–7 — лишняя. The TrailblazersIn the early 1800s, the area that would become the western United States was completely undeveloped.Explorers, hunters, traders, and settlers had to blaze their own trails. A_____Blank 1 Вопрос 1  to spread U.S. ideas and government for the first time in history  thus replacing them forever as territories became interdependent  the use of covered wagonsby taking land from Native peopleforming the largest mass migration in history ______________________ to move possessions and supplies became common place.Manifest Destiny was the belief that Americans had a God-given right to take over the continent. As they moved west, settlers used this policy B______________Blank 2 Вопрос 1  to spread U.S. ideas and government for the first time in history  thus replacing them forever as territories became interdependent  the use of covered wagonsby taking land from Native peopleforming the largest mass migration in history _____________ to new people and territories.Trails increased trade opportunities between western and eastern regions, and the U.S. economy prospered C_____________Blank 3 Вопрос 1  to spread U.S. ideas and government for the first time in history  thus replacing them forever as territories became interdependent  the use of covered wagonsby taking land from Native peopleforming the largest mass migration in history ______________ on each other for goods.To achieve Manifest Destiny, the United States purchased land from other countries or conquered territory D_____________Blank 4 Вопрос 1  to spread U.S. ideas and government for the first time in history  thus replacing them forever as territories became interdependent  the use of covered wagonsby taking land from Native peopleforming the largest mass migration in history ______________ until its borders stretched from coast to coast.More than one-half million people chose to travel West on trails between 1800 and 1870, E ___________Blank 5 Вопрос 1  to spread U.S. ideas and government for the first time in history  thus replacing them forever as territories became interdependent  the use of covered wagonsby taking land from Native peopleforming the largest mass migration in history ________________.As new technology spread across the West, however, the use of trails came to an end. The railroads built thousands of miles of tracks, and, F ________Blank 6 Вопрос 1  to spread U.S. ideas and government for the first time in history  thus replacing them forever as territories became interdependent  the use of covered wagonsby taking land from Native peopleforming the largest mass migration in history ___________________, a cheap, relatively safe, and quick way to transport people and supplies to western areas existed.