The US dollar rapidly declines in value. A famine in Ireland prompts US response. A foreigner on vacation in the United States threatens violence. The United States loses a key alliance with another nation. A - The US dollar declines in value

(A)-The US dollar rapidly declines in value.

Explanation:

european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.