Core vocabulary

a. Aid define

• Help or support (someone or something) in the achievement or something.

b. Adopt define

• to choose or take as one's own, make one's own ny selection or assent
• Choose to take up or follow 

c. Effort define

• exertion of physical or mental power
• A vigorous or determined attemp
• an earnest or strenuous attemp

d. Force define

• Strength or energy as an attribute of physical action or movement
• physical power or strength possessed by a living being

e. Career define

• The progress through history of an institution, organization
• Working permanently in or committed to a particular profession

f. Oppose define

• Disagree with and attempt to prevent, especially by argument
• to act against or provide resistance to

g. Code define

• a word, letter, number, or other symbol used in a code system to mark, represent, or identify something
• A system of words, letters, figures, or symbols used to represent other, or for the purposes of secrecy

h. Potential define

• Having or showing the capacity to develop into something in the future

i. Doubt define

• to distruts; to be uncertain about; consider questionable or unlikely; hesitate to believe

j. Serve define 

• Perform duties or services for (another person or an organization) to act as a servant.