“Insure domestic tranquillity “
“Secure the blessings of liberty “
“Establish justice “
“Provide for the common defence “
Explanation:

<em><u>Bitcoin is a digital currency which operates free of any central control or the oversight of banks or governments. Instead it relies on peer-to-peer software and cryptography. A public ledger records all bitcoin transactions and copies are held on servers around the world</u></em>
It lead to new practices like Christianity, Muslim etc all types of religion. Free practice
Answer:
Three factors that contribute to volunteer bias are: 1) privileges of the study participants and 2) having high energy and 3) being vested in the survey or research question.
Explanation:
Volunteer bias refers to the kind of bias that happens when volunteers are not likely to represent the general population. Volunteers may be more likely to be unemployed for example or they might be more likely to be women. It has been noted that project volunteers also tend to be high in agree-ableness and they are open to new experiences in terms of their personalities. This presents a problem when researchers want their same to be a general representation of the population. We should also consider the characteristics and lifestyles of those who decline from participating or who do not volunteer to really get a sense of the general population.
The Cabinet includes the Vice President and the heads of 15 executive departments — the Secretaries of Agriculture, Commerce, Defense, Education, Energy, Health and Human Services, Homeland Security, Housing and Urban Development, Interior, Labor, State, Transportation, Treasury, and Veterans Affairs, as well as the Attorney General.