Answer:First drop down: As trading partners,
Second drop down: The spread of contagious diseases from settlers.
Step-by-step explanation:
With Europeans, American Indians engaged in trade and cooperative work.
To combat other European powers alongside their native friends, they formed military alliances with European powers.
White colonists and later government forces of newly constituted states massacred Native Americans.
Also, European settlers were attacked by Native Americans and slain.
Native Americans were frequently killed while performing forced work because of this.
Native Americans also perished as a result of internal strife and massacre.