b. Filippo Brunelleschi was chosen to build the dome for the Santa Maria del Fiore in Florence. He set bricks in a herringbone pattern. He also invented a hoist to raise materials up to the sky.
Filippo Brunelleschi was a goldsmith who promised to build two domes, one nested inside the other without elaborate and expensive scaffolding. He was granted the cupola project in 1420 serving as its superintendent. The project was finished in 1436.
The photograph demonstrates how hard the canal was to build without the advancements we have today. Even the machinery lifting the bolder seems to show how large the project was and how it was hard to build.
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If I recollect correctly, the National Association for the Advancement of Colored People in 1909 was primarily to advance justice for African American ongoing violence during the time. Among the leaders W.E.B. Du Bois was a well known African American at the time. The NAACP is the largest and preminent organization of its kind.
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