Compare Christianity's answers to any other worldview:
Why is there something rather than nothing?
All things have been made through and for the glory of God through Jesus Christ.
What is the purpose of the universe?
To reflect the glory and majesty of God to humanity through Jesus Christ.
What is the purpose of humanity/why are we here?
To glorify God through Jesus Christ as objects of Justice/Wrath or objects of Mercy/Grace.
How do you explain human nature?
Human nature facilitates humanity's purpose and justifies God's wrath as well as magnifies the grace of God through Jesus Christ.
What happens to a person at death?
All humanity will be judged by God through Jesus Christ. Those that are covered by His righteousness will receive mercy and enter into eternal communion with God in Heaven. Those that are not will experience His eternal wrath in Hell.
How do you determine right and wrong?
God has embedded a certain moral law within humanity, that is summarized as “You shall love the Lord your God with all your heart and with all your soul and with all your strength and with all your mind, and your neighbor as yourself.”
How do you know that you know?
Humanity can only have certainty by the Word of God and the indwelling of the Holy Spirit.