Answer:
Lewis and Clark's expedition would likely not have been successful without Sacagawea's help, because they would not have been able to communicate with the Native American tribes they met along the way and therefore would have had trouble trading for horses and supplies.
She was one of New Yorks most celebrated artists in the 1920s.
Answer: The countries with successful, on-going nuclear weapons programs are Britain, France, China, India, Israel, North Korea, Pakistan, Russia, and the United States. In addition, Iran is suspected of actively seeking nuclear weapons.
Explanation: