Acts, written by Luke as a sequel to his Gospel, chronicles the growth and expansion of the early Christian Church. It begins with Jesus' ascension and the coming of the Holy Spirit on Pentecost, empowering the disciples to spread the Gospel. Acts follows the missionary journeys of the apostle Paul and other early believers, highlighting their evangelistic efforts, the establishment of new churches, and their encounters with opposition and persecution. The book also records significant events, such as the conversion of Paul, the Jerusalem Council, and the spread of the Gospel to the Gentiles. Acts portrays the work of the Holy Spirit in empowering believers and advancing the mission of the Church.