What was the most dreaded thing for immigrants on Ellis Island?

The disease most feared was trachoma, a highly contagious eye infection that could lead to blindness and death.

Explanation:

At one time, the average passenger mortality rate was 10 percent per voyage. The conditions were so crowded, so drearily dark, so unsanitary and so foul-smelling, that they were the single most important cause of America's early immigration laws.

Explanation:

i got this from https://hilo.hawaii.edu/news/kekalahea/journey-through-ellis-island-2017#:~:text=At%20one%20time%2C%20the%20average,of%20America's%20early%20immigration%20laws.

president franklin roosevelt supported the tva as part of his first new deal measures approved by congress in 1933. this new agency was designed to control floods, produce electric power, and improve the lives of people living in the tennessee valley. the tva accomplished many of these goals despite problems.

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.