Write a one-paragraph journal entry from the perspective of a participant of the Lewis and Clark expedition, explaining your feelings and expectations as you set out on your journey.

In which research method does a researcher change the value of one variable to determine how the change affects another variable? a. experiment b. observational research c. survey d. case study

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

This form of government has only a single political party. question 2 options: communist democratic autocratic parliamentary