National unions differed from local unions in that national unions represented the interests of laborers and workers from all over the country, as opposed to a specific region.
It’s Confucianism (the dark blue one).
Answer: Igbo-Ukwu is notable for three archaeological sites, where excavations have found bronze artifacts from a highly sophisticated bronze metal-working culture dating to 9th century AD, centuries before other known bronzes of the region. Later, these were excavated as well.
Explanation:
During the Renaissance, Leonardo da Vinci painted the famous painting called "The Last Supper". He used a different technique that was actually developed because of it. Leonardo was commissioned by Duke Ludovico for the refectory of the monastery of Santa Maria delle Grazie in Milan. In order to paint it, Vinci used an oil mix and applied it to drywall. The correct answer is PERSPECTIVE.