The answer is A (gold). The California gold rush is what encouraged movement towards the west.
Answer:
the first one (left-right) goes in the law of peace section. the second one goes in the middle section. the last two go at the us con. section.
hope this helps
Introduction of horses in America made life easier because it made transportation more efficient; people could travel, deliver messages, or trade quicker than before.
AKA the Law of the Sea Convention OR The United Nations Convention on the Law of the Sea (UNCLOS)
Definition: the international agreement that resulted from the third UNCLOS, UNCLOS III, which took place between 1973 and 1982