How did corporations change the lives of Americans?

¿Cómo llego a que las personas hablen español? Por favor, ayúdenme soy nuevo.

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)