Which european group forged an alliance with the ethiopian kingdom in the 1540s in hopes of further spreading roman catholicism to the rest of predominantly islamic africa?

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 the new technology can replace outdated, less efficient, machinery.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.