When God guides our paths, all the arrangements are made for us. Ezra did not have to worry about the finances for his trip or the funds for the temple sacrifices and ornaments or even to gather his troops, everything was prepared by God.
Fifteen years after the work on the temple had been halted due to numerous oppositions that the exiles faced, God sent his word to the people of Israel. First through the prophet Haggai (Haggai 1) and then two months later through the prophet Zechariah (Zechariah 1), God spoke to the people commanding them to restart the work on the temple.
While the returning exiles continued work on the temple, the natives took notice of their new neighbors’ plans and offered help to Zerubbabel and Co.