Explain why your calculation would have been the most cost and time-effective arrangement

Paolo is writing a personal narrative about how he overcame his fear of heights by riding a roller coaster. he is working on his thesis statement. which of the following sentences would be the best thesis statement?

Natasha, belinda, and ava are working on an art project together. when natasha sees whatbelinda has contributed, she says there is no way they can include her work because it lookslike a third grader did it.the communication mistake natasha has made isa.)groupthinkb.)collaborating with strangers.c.)failing to create a group connection.d.)criticizing the person, not the process.

What was a problem faced by many newly independent african countries