Réponse :

Exercise 1:

1. The Apaches were less numerous than the Cherokees.

2. Over the years, the journey to the West became less dangerous and shorter.

3. Over the years, finding land got more difficult.

4. In the 18th century, life was harder than in the 21th century.

5. Pioneers moved West during the Gold Rush, but life was as difficult as in the East.

6. The Transcontinental Railroad was faster than the wagons and oxen.

Exercise 2:

1. In the 1860s, American settlers decided they needed more land.

2. There were fewer and fewer Native Americans because of the Indian Wars with the White Man.

3. After the Gold Rush, there was less gold in the West!

4. As more and more people arrived, there was less food on the frontier.

5. More and more pioneers went to the frontier during the Gold Rush.