Imagine it's the year 2045 and you're a history teacher. What would you teach your class about the year 2020 and why?*

Coronavirus

Explanation:

Corona has affected the whole world. It has caused many people to lose their lives and jobs. People are now living on the streets and don't have enough money to have food on the table. We want our future generations to know our struggle so that they can always be ready.

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.

letter a is the answer