How did the 1842 expedition of john c fremont contribute to westward migration ?

One of the observations by someone who was present for roosevelt's speech was, "its clarity, logic, and sincerity struck us." quote one example from the text that you would describe as clear, logical, or sincere. explain the language in your chosen quote correctly, and tell why it can be considered clear, logical, or sincere.

Which of the following is/are a major technological advances of the mayan civilization? a. the calendar c. math b. architecture d. all of the above

(easy 35 ) i am a confederate general during the civil war. who am i? 1. ulysses s. grant 2. robert e. lee 3. george mcclellan 4. winfield scott