1. why did the u. s become involved in mexico's civil war?
a. relations had weakened between the united states and the new government
b) mexico was unable to end the war without u. s intervention
c) the u. s provided troops to support the leader wilson preferred
d) mexican soldiers arrested a group of american sailors
2. why did roosevelt become involved in the panamanian rebellion against columbia?
a) to limit columbias power b) to show american might in latin america c) to ensure the panama canal would be built d) to support freedom and independence 3. which sentence describes the buffalo soldiers participation in the spanish american war?
a) they turned against the rough riders during battle
b) they aided cuban rebels in an effort to burn sugar mills
c) they to secure a u. s victory at the battle of san juan hill
d) they to capture emilio aguinaldo in the philippines

Running and sleep. sufficient sleep is important for adolescents for both their neural and psychological development. despite this, daytıme sleepiness and poor physical and psychological functioning related to chronic sleep disturbances are common. there is a growing body of evidence that exercise is associated with both better sleep and improved psychological functioning sixty participants were recruited from a high school in northwesten switzerlandthey were randomly assigned to either a running group or a control group, 30 to each group the running group ran every moming for a little over 30 minutes on weekdays for a three-week period. all participants used a sleep log for subjective evaluation of sleep, and sleep was also objectively assessed at the beginning and end of the study using a sleep electroencephalographic device that measured quantities such as sleep efficiency and time spent in the four different sleep phases. running was found to have a positive impact on both objective and subjective measures of sleep functioning what are the explanatory variable(s) and the response variable(s)? (a) outline the design of the experiment (b) (c) here are some more details on the treatment and control groups. all participants arrived at school at 7 a.m., and the running group did two laps on the track and then ran cross countrv in groups of at least four people for 30 minutes the control group remained seated at the track, worked on horpework. and interacted with each other. when the runners returned, all participants prepared for school and ate a breaktast that was provided. iwhy do you think the experimenters had the control group arrive at 7 am interact withdassmates and have breaktast together? explain. do you think having the control eroup do these activities is important for the types of conclusion that can be reached? how?

Jesse james, a 20-year old, was arrested for killing a police officer. as a newly elected prosecutor, you are responsible for prosecuting mr. james. you announce your decision not to seek the death penalty in this case, but under your state’s law, the offense charged is considered special circumstances, which would qualify as a death penalty case. your decision does not sit well with the law enforcement community.what are the potential hearings that might be involved in this case? be sure to describe them from the time of arrest through appeal.

The bill of rights includes things such as the right to bear arms and freedom of speech. these are examples of which american value?