1. During the 1920s, union membership
    remained constant
    b increased slightly
    d
    increased considerably
    dropped considerably.
    56. The first practical peacetime use of airplanes was for
    crop-dusting
    a
    b.
    carrying mail.
    e
    d
    carrying passengers.
    weather forecasting
    57. The main factor causing urban sprawl in the 1920s was
    the automobile.
    a
    b.
    the use of electricity.
    e.
    d.
    growth in industry.
    a change in the birthrate.
    58. The Teapot Dome scandal centered around
    a. gold mines.
    b.
    union members.
    c.
    high tariffs.
    d.
    oil-rich lands.
    59. The Fordney-McCumber Tariff was meant to
    a. help Britain and France pay off their war debts.
    b.
    c.
    help Germany pay off its war debts.
    raise taxes on goods entering the United States.
    d.
    raise taxes on goods leaving the United States.
    60. To protect their own interests, employers often accused striking workers of being
    a.
    spies.
    b.
    Communists.
    c.
    bigots.
    d.
    nativists.
    61. Which of the following was not a cause of World War I?
    American isolationism
    imperialist competition
    a
    b.
    C.
    the stockpiling of weapons
    d.
    European nationalism
    62. Where did the assassination that triggered World War I occur?
    a.
    Bosnia
    b. Belgium
    Alsace-Lorraine
    C.
    d.
    the Ottoman Empire
    63. What caused widespread starvation in Germany?
    a.
    a severe drought
    b.
    the devaluation of German currency
    C.
    the British blockade
    d.
    the Allied bombing of German farms
    ID: A

Verified Answer :

Final answer:

Union membership remained constant, airplanes were used for carrying mail, and urban sprawl was driven by the automobile in the 1920s.


Explanation:

Union Membership in the 1920s: During the 1920s, union membership remained constant, as depicted by the decline in the labor movement primarily due to factors like the influx of immigrants, language barriers, and exclusion of certain groups.

First Practical Peacetime Use of Airplanes: The first practical peacetime use of airplanes was for carrying mail, highlighting the crucial role of airplanes in enhancing communication and transportation.

Urban Sprawl in the 1920s: The main factor causing urban sprawl in the 1920s was the automobile, demonstrating how the expansion of automobile usage influenced urban development.


Learn more about Labor Movement and Urban Development here:

https://brainly.com/question/22691920