<Li> Drought conditions in Oklahoma and Texas caused the Dust Bowl which forced tens of thousands of families to abandon their farms and seek employment elsewhere . </Li> <P> Many technological advances occurred in the 1930s, including: </P> <Ul> <Li> On March 8, 1930, the first frozen foods of Clarence Birdseye were sold in Springfield, Massachusetts, United States . </Li> <Li> Ub Iwerks produced the first Color Sound Cartoon in 1930, a Flip the Frog cartoon entitled: "Fiddlesticks"; </Li> <Li> In 1930, Warner Brothers released the first All - Talking All - Color wide - screen movie, Song of the Flame; in 1930 alone, Warner Brothers released ten All - Color All - Talking feature movies in Technicolor and scores of shorts and features with color sequences; </Li> <Li> Clyde Tombaugh identifies Pluto, which goes on to be announced as the ninth planet in the solar system . </Li> <Li> Air mail service across the Atlantic Ocean began; </Li> <Li> Radar was invented, known as RDF (Radio Direction Finding), such as in British Patent GB593017 by Robert Watson - Watt in 1938; </Li> <Li> In 1933, the 3M company marketed Scotch Tape; </Li> <Li> In 1931, RCA Victor introduced the first long - playing phonograph record . </Li> <Li> In 1935, the British London and North Eastern Railway introduced the A4 Pacific, designed by Nigel Gresley . Just three years later, one of these, No. 4468 Mallard, would become the fastest steam locomotive in the world . </Li> <Li> In 1936, Kodachrome is invented, being the first color film made by Eastman Kodak . </Li> <Li> In 1936, The first regular high - definition (then defined as at least 200 lines) television service from the BBC, based at Alexandra Palace in London, officially begins broadcasting . </Li> <Li> Nuclear fission discovered by Otto Hahn, Lise Meitner and Fritz Strassman in 1939 . </Li> <Li> The Volkswagen Beetle, one of the best selling automobiles ever produced, had its roots in Nazi Germany in the late 1930s . Created by Ferdinand Porsche and his chief designer Erwin Komenda . The car would prove to be successful, and is still in production today as the New Beetle . </Li> <Li> First intercontinental commercial airline flights . </Li> <Li> The chocolate chip cookie was developed in 1938 by Ruth Graves Wakefield . </Li> <Li> The Frying Pan was the first electric lap steel guitar ever produced . </Li> <Li> Edwin Armstrong invented wide - band frequency modulation radio in 1933 . </Li> <Li> The Bass guitar was invented by Paul Tutmarc of Seattle, Washington, in 1936 . </Li> </Ul> <Li> On March 8, 1930, the first frozen foods of Clarence Birdseye were sold in Springfield, Massachusetts, United States . </Li>

What technology did they have in the 1930s
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