You would just multiply across for example

Then simplifiy if needed
Answer: by replacing somebody of the workers for machines
Explanation:
Answer:
President Roosevelt signed the Tennessee Valley Authority Act on May 18, 1933, creating the TVA as a Federal corporation. The new agency was asked to tackle important problems facing the valley, such as flooding, providing electricity to homes and businesses, and replanting forests.
Explanation:
Rio de Janeiro is linked with Tiradentes
Brazilwood is linked with red dye
Cabral is linked with the freedom movement
1565 is linked with discoverer
In 1654 there was gold discovered
1698 is linked to dutch removed
Coffee is linked to chief export