Which event led the united states to declare war on germany during world war i?

1. the sussex pledge violation

2. the zimmerman note

3. failure of the nivelle offensive

4. the spread of british propaganda

Which is one factor that contributed to the rise of sikhism? a. the spread of christianity into india b. opposition to the hindu caste system c. objections to the five pillars of islam d. a return to polytheistic religion