tell me which of these sentences are diract objects or indirect objects or object of preposition<br/><br/>1.travellers faced many dangers<br/><br/>2.which satgecoach lines did most passenger use ?<br/><br/>3.wagons brought machinery explosives to the miners.<br/><br/>4.whom did the settler call for protection ?<br/><br/>5.the pony express brought people thier mails ????<br/><br/>please i need an answer and explanation