(e) To clear and improve any property acquired by it;
(f) To engage in or contract for the construction, reconstruction, alteration, remodeling or repair of any clearance, housing, relocation, urban renewal or other project which it is authorized to undertake or parts thereof;
(g) To make relocation payments to persons and businesses displaced as a result of carrying out any such project;
(h) To borrow money for any of its purposes upon the security of its bonds, notes or other evidences of indebtedness, and to secure the same by mortgages upon property held or to be held by it or by pledge of its revenue, including without limitation grants or contributions by the federal government, or in any other lawful manner, and in connection with the incurrence of any indebtedness to covenant that it shall not thereafter mortgage the whole or any specified part of its property or pledge the whole or any specified part of its revenues;
(i) To invest in securities legal for the investment of funds of savings banks any funds held by it and not required for immediate disbursement;
(j) To enter into, execute and carry out contracts with any person or organization undertaking a project under chapter one hundred and twenty-one A;