Which statement describes lewis howard latimer's contribution to technology?

he created a more efficient steam engine.

he improve the production of light bulbs.

he invented a new method for harvesting cotton.

he designed the first mechanical sewing machine.

13) q: a: when world war i began, the official united states policy was

Which of these marketing methods henry ford sell the model t to many people who had never before owned a car? a) offering free maintenance on cars for a full year b) airing television commercials with memorable slogans c) advertising with the new communication outlets such as radio d) offering many different colors and models for buyers to choose from

Based on the map, which statement best describes the neighborhood of washington heights? (2 points) washington heights is a gated community. people of many ethnicities live in washington heights. restrictive covenants prevent most people from living in washington heights. dominicans have gentrified washington heights. washington heights is a dominican enclave.