The 7-spotted type of this beetle was brought to North America in the mid-20th c. to control aphids & other plant-eating pests
a ladybug
Today a standard for buttoned shirts is a cloth with the name of this university
Oxford
We are "at liberty" to say capitalism is also known as this 2-word economy, an unregulated system of economic exchange
free market
From the world of film: Wilder & Crudup
Billy
Woody Guthrie namechecks "the New York island", "the redwood forest" & "the gulf stream waters" in this folk song
"This Land is Your Land"
Grown together, "The 3 Sisters" of pre-Columbian Native American farming were beans, squash & this
corn
There's no place like Sherlock Holmes for this hat
a deerstalker
Why use money or credit cards when there's this system where a mechanic might trade a tuneup to a farmer for some apples
barter
Providing different kinds of entertainment:
Kwan & Pfeiffer
Michelle
An "Acoustic Folk Years" playlist of this legend includes "A Hard Rain's A-Gonna Fall" from his "Freewheelin"' days
Bob Dylan
The mold Phytophthora infestans caused this mid-19th c. farming disaster that resulted in a million deaths
the Irish Potato Famine
A midriff-baring top called a choli is worn under this women's outer garment
sari
Adam Smith called this system of semi-free labor that ended about 500 years before his time "barbarous"
feudalism
Both can make you dance:
Allen & Gibson
Debbie
The song "Suite: Judy Blue Eyes" was written about the blue eyes of this Judy, a folk singer & then-girlfriend of Stephen Stills
Judy Collins
In 1889 William Murchland forever changed the dairy industry by inventing a vacuum type of this apparatus
a milker (a milking machine)
Used for evening dresses & shoes, peau de soie means "skin of" this material
silk
2 individuals deal with each other directly vs. using a 3rd party in buying goods & services in this economy, P2P for short
peer-to-peer
Creative types Schumann & Ludlum
Robert
This biblical-sounding trio had 12 Top 40 hits, including "If I Had A Hammer", subtitled "(The Hammer Song)" if you didn't get it
Peter, Paul, and Mary
This British agronomist perfected the seed drill in 1701
Jethro Tull
Kinda like an apron, this garment is named for how it was once affixed to a dress
pinafore
Dostoyevsky gave up on the French utopian this type of economy, becoming more reactionary
socialism
Very different leaders Mumford & Garvey
Marcus
Pete Seeger answered this title question a few lines in--"The girls have picked them, every one"
"Where Have All the Flowers Gone?"