The alliances helped cause world war 1 because when Franz Ferdinand the Archduke of Austria-Hungary was assassinated along with his wife it caused Austria-Hungary to declare w â¦ ar on Serbia.This was what set off the alliances and all hell broke loose.lliances caused World War 1 because when Austria-Hungary declared war on Serbia, both sides had many secret allies that they dragged with them into the war, causing WW1 inste â¦ ad of a small war between two countries.
1 There was a Â£50/month rental fee to rent the stairlift for longer than a year. 2  They did not rent curved lifts. 3  Stannah rented stairlifts for straight stairs starting at Â£57 a month; curved stairs from Â£148 a month.
This increases the cost and time for installation and manufacturing of the chair lift for your stairs. A prefabricated, one flight, straight chair lift can cost between $3000 â 5000, a curved staircase will require an additional $5-$8000 for the overall cost of the chair lift.Chair lifts can come with additional costs.he biggest factor in determining the cost of a home chair lift is the shape, size and length of the staircase. Having a straight staircase provides the best option for buying a chair lift for stairs, as the only measurement that is needed is the length of the staircase.