B) to spread slavery into new territories 
 
        
             
        
        
        
Answer:
Explanation:
La investigación experimental es cualquier investigación realizada con un enfoque científico, donde un conjunto de variables se mantienen constantes, mientras que el otro conjunto de variables se miden como sujeto del experimento.
La investigación experimental es uno de los métodos de investigación cuantitativa principales.
El ejemplo más simple de una investigación experimental es una prueba de laboratorio. Siempre que la investigación se realice bajo condiciones científicamente aceptables, se califica como una investigación experimental.
Una verdadera investigación experimental se considera exitosa sólo cuando el investigador confirma que un cambio en la variable dependiente se debe a la manipulación de la variable independiente.
Es importante para una investigación experimental establecer la causa y el efecto de un fenómeno, lo que significa que debe ser claro que los efectos observados en un experimento se deben a la causa.
Como es natural, puede ser que los eventos que ocurran sean confusos y no permitan a los investigadores establecer conclusiones fácilmente.
Por ejemplo, un estudiante de cardiología realiza una investigación para comprender el efecto de los alimentos en el colesterol y resulta que la mayoría de los pacientes con problemas de corazón no son vegetarianos ni tienen diabetes, es porque comen carne (supongamos). Este último puede ser un aspecto (causa) que puede provocar un ataque cardiaco (efecto).
 
        
             
        
        
        
For clients with borderline personality disorder, it is important to use interventions that set clear boundaries.
Relationships are notoriously challenging for persons with borderline personality disorder (BPD), especially with those closest to them. Loved ones may experience feelings of helplessness, abuse, and instability as a result of their erratic mood swings, explosive tempers, persistent abandonment anxieties, and impulsive and illogical actions. People with borderline personality disorder frequently describe their relationships with their partners and families as an emotional roller coaster with no clear end in sight. If you stay in the relationship or the individual makes efforts to obtain treatment, you could feel imprisoned by your loved one's borderline personality disorder symptoms. However, you are more powerful than you realize.
By controlling your own responses, setting clear boundaries, and enhancing communication with your loved one, you may shift the dynamic of the relationship. Although there is no miraculous therapy for borderline personality disorder, many people with the disorder may and do improve, and their relationships can become more secure and fulfilling. In fact, patients who have the most stability and support at home tend to make progress more quickly than those whose relationships are less orderly and safe.
Learn more about borderline personality disorder:
brainly.com/question/1074602
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The correct answer to this open question is the following.
Although you did not include options for this question, we can say the following.
The next step they should follow in the reflective-thinking method is to establish the criteria for solving the problem. 
This is the moment when the group has to establish the parameters and criteria to come up with options that can help them to solve the issue at hand. 
The other final two steps in the reflective-thinking method are to evaluate the options in order to choose the best solution and finally to make the proper tests to implement the solutions in the real life.
It is very important to dedicate quality time to each step if they want to contemplate all the alternatives, once the problem has been studied and understood. This will be key to support the best decision and implementing it.