How did jimmy carter respond to the soviet invasion of afghanistan?

he boycotted the 1980 olympic games in moscow.
he ended grain shipments to the soviet union.
he withdrew the salt ii treaty from consideration by the senate.
he sent american troops to afghanistan to force the soviets to withdraw.

Read the excerpt from “pakistan’s malala.” "ziauddin had a revolutionary zeal and deep commitment to education," ellick said this week. "this charming little girl, she is a mini-version of him in many ways. she loves school, homework. whenever she would meet me she had a bookbag full of books." "she didn't have that idealistic activist attitude when she's 10 and 11, because who does? " ellick said. "her situation demanded that she grow up before she should have. she caught his contagious commitment and idealism." which detail best reflects how living in the taliban-ruled swat valley affected malala?