D. Cuneiform. This is the earliest known writing system.
Answer:
scientific discovery
Explanation:
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D. A primary source comes from someone who has actually witnessed the event, while a secondary source is not based off of firsthand experience.
Answer:
Spain's motivation to help the American colonists was driven by a desire to regain the land it had lost to Britain and, with other European powers, make incremental gains against British possessions in other parts of the world.
Explanation:
