How did iron tools impact the Kingdom of Ghana?

True or false: abraham lincoln delayed the emancipation proclamation to make sure the border states would stay loyal. *

President of the united states has scheduled a cabinet meeting today to discuss energy policy with specific focus on pollution and global warming. given what you know of the executive branch, which group of attendees would the president most likely expect to provide up-to-date information and expert insight during this meeting?

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?