What caused the lifestyles shown in the web to become widely adopted and quickly abandoned during this time period?
a. High rates of unemployment gave people more leisure time.
b. Improved transportation and communication spread information quickly.
C. The influence of gangsters and bootleggers caused a rapid decline in morals.
d. A rising immigrant population was eager to adopt American customs.

b. Improved transportation and communication spread information quickly.

Explanation:

the federalist party which advocated strong centralization dominated the united states government till 1800. so 1800 election transformed the power from one party to another party for the first time and was thus a turning point in american history. so jefferson called it "revolution of 1800".

explanation:

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.