What is audio visual materials?

Which of harriet martineau’s books is a foundational treatise on sociological data collection?

Brainliestttme : )how did the japanese economy recover so quickly after world war ii? -mass immigration to japan in an effort to rebuild -economic and educational reforms passed by the government- an economic partnership with korea and china- marshall plan dollars stimulated the japanese economy

What challenges did political parties face during the election of 1800