Please answer ASAP:( I’m having much trouble

Which of the following best describes us involvement in the korean peninsula today?

What was true about sharecropping? a. landowner provided free tools and seeds. b. workers could leave the land if they failed to make money. c. landowners often took advantage of workers. d. workers received ownership of the land they farmed after a set number of years.

When there are advances in technology, such as the personal computer, how might business productivity change? a) productivity is separate from technological advances so there is no impact. the new technology can replace outdated, less efficient, machinery. o) the businesses' products will no longer be demanded. d) manufactured items will be made elsewhere.