I believe the common themes would be courage and patirotism.
All of the stories above depict the sacrifice that characters made for the glory of their own country.
In number the stars for example, it revolves around the life of the characters in denmark during the invasion period by Germany.
When asked about her work, poet Gwendolyn Brooks once said: "I wrote about what I saw and heard in the street … There was my material."
What she saw and heard, as a black woman living on Chicago's South Side in the mid-20th century, were the myriad struggles — and joys — of urban black life, which she explored in more than 20 books of poetry, a novella, autobiography and other works.
It has been 100 years since Brooks was born, and events are planned this year across Illinois and Chicago to celebrate the centenary. Though she died in 2000, she remains one of the 20th century's most-read and honored poets, both for how deftly she put forward the issues of the day and for the grace of her craft and style. She was the first African American to receive the Pulitzer Prize, as well as the first to hold the role of poetry consultant to the Library of Congress, a position now known as Poet Laureate. In that role, and as a teacher, she worked to educate a generation of young black writers.
And yet, in 2017, some worry that Brooks is in danger of being set aside. "The Golden Shovel Anthology," a new book of poems honoring Brooks, seeks to make sure that doesn't happen. In the book's foreword, poet Terrance Hayes writes: "I have been, since her passing, returning to her work again and again with the feeling not enough of it has been made of it or her … Perhaps we can never say enough."

Answer: unite the colonists in support of continuing the fight for independence
Explanation:
Here's the excerpt:
"I call not upon a few but upon all—not on this state or that state, but on every state—up and help us. . . . Let it be told to the future world that in the depth of winter, when nothing but hope and virtue could survive, that the city and the country, alarmed at one common danger, came forth to meet and repulse it."
The purpose of Paine in issuing this plea is to unite the colonists in support of continuing the fight for independence.
This can be seen in the excerpt as it was inferred that everyone was called to come together and help and repulse the fight for their independence.
The Plessy v Ferguson case upheld the racial segregation laws when it involved public facilites. This resulted in "separate but equal". For instance, blacks and whites had the same quality bathrooms, but they were separated from each other. Blacks had their own bathroom and whites had their own bathroom. This law is used for every public facility that was used by the people.
Hope this helps.
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Economies around the world have become more interconnected because of globalization.