All the knights and the lord/king had all the wealth and they made up 2% of the population. While the people was 98% of the population, they had less than 1% of the wealth but did all the work (farming, making products). They had little food and dirty living conditions.
The US role played in the Vietnam War was C. The US became involved because they feared that other countries would fall to communism like dominoes. The Vietnam War was the longest war fought by the US in its history until the War in Afghanistan surpassed it recently. Involvement began slowly at first but gradually ramped up resulting in a widespread feeling of war weariness in the US where activists began to actively oppose war efforts and speak out against involvement on the whole.
Answer:
King Ferdinand and Queen Isabella
Explanation:
Domesticated animals: The Americas had not seen horses, pigs, or cattle prior to the arrival of the Europeans.
These animals changed how Native Americans lived, ate, and fought. They were able to use horses to travel more quickly, fight their enemies, and eventually in agriculture. The animals also brought disease which harmed the Native Americans.