Marcella is conducting a quasi-experiment that examines how childhood abuse impacts emotional perception in adults. she would like to make a casual conclusion about her data. that means marcella'a study must meet all the following requirements to establish causality.

When analyzing the election of 1876, what conclusion can be drawn? a.a majority of northerners wanted to enforce reconstruction policies more stringently.b.if tilden had won the electoral votes from louisiana, florida, or south carolina, he would have been elected president.c.the republican party had increased its support in the south.d.rutherford hayes did poorly in the western states.e.the republican party did a good job protecting the voting rights of african-americans in mississippi.

Why did trump shut down the government?

What was the purpose of the cuban revolution