900-500=400
40-80=-40
7-6=1
947-586 =361
400-40+1=361
Answer:
According to classical sources, the war began after the abduction (or elopement) of Queen Helen of Sparta by the Trojan prince Paris. Helen's jilted husband Menelaus convinced his brother Agamemnon, king of Mycenae, to lead an expedition to retrieve her.
<span>President Thomas </span>Jefferson<span> commissioned the Corps of Discovery Expedition (1804-06), led by Meriwether Lewis and William Clark, to explore the territory acquired in the </span>Louisiana Purchase<span>, among other objectives. In 1801, Spain signed a secret treaty with France to return </span>Louisiana<span> Territory to France.</span>
That depends what you mean by early, do you mean the civilizations of Egypt or Mesopotamia or Israel.
