Clear-cutting forests and draining wetlands contributed to severe flooding along which of these rivers in 1998?

a) chang jiang

b) huanghe

c) salween

d) mekong

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.

Which empire core was in germany, austria, moravia and bohemia

Why did the british government relax rules regulate trade for the american colonies in the late 1600s?