What are the challenges the economy face from skilled migrants?

Which of there factors contributed most to us westward expansion in the second half of the nineteenth century?

Mention any one function of transparency international?

Venezuela’s economy relies most heavily on which of the followingvenezuela’s economy relies most heavily on which of the following? a. oil reserves in places such as the eastern llanos b. cattle ranching in the grasslands c. fertile farmland in the andean highlands d. coffee plantations in mountainous areas