Gandhi helped India.
Hi Chi Minh helped Vietnam.
The American Anti-Slavery Society the National Women's Suffrage Association the American Temperance Society the American Philosophical Society.
Answer:
The most significant architectural achievements of the entire Renaissance was undoubtedly the construction, by Filippo Brunelleschi, of the dome over the Florence Cathedral. ... The dome was built without employing centring (a wooden or iron structure) to support the masonry.